Tokyo Seimitsu Co., Ltd.

Japan


 
Total IP 336
Total IP incl. subs 347 (+ 14 for subs)
Total IP Rank # 3,858
IP Activity Score 3.2/5.0    271
IP Activity Rank # 2,637
Stock Symbol 77290 (tse)
ISIN JP3580200008
Market Cap. 197778015225.0  (JPY)
Industry Semiconductors
Sector Technology
Dominant Nice Class Scientific and electric apparatu...

Patents

Trademarks

128 18
0 3
169 16
2
 
Last Patent 2025 - Tool holder attachment state det...
First Patent 1976 - Liquid crystal applied voltmeter
Last Trademark 2025 - ACCTEE
First Trademark 1963 - SURFCOM

Subsidiaries

2 subsidiaries with IP (14 patents, 0 trademarks)

1 subsidiaries without IP

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Industry (Nice Classification)

Latest Inventions, Goods, Services

2025 G/S Precision measuring machines and instruments for uses in the nature of surface texture, contour, ...
G/S Semiconductor manufacturing devices; sharpeners for semiconductor manufacturing devices; grinding...
G/S Length measuring gauges; comparators, non-electronic; interferometers; screw-thread measuring ma...
G/S Precision measuring machines and instruments; roundness measurement machines and instruments; cy...
G/S Precision measuring machines and instruments; laboratory apparatus and instruments; optical mach...
2024 Invention Shape measurement device, shape measurement method, and wafer processing system. Provided is a sh...
Invention Wafer processing system and wafer processing method. A wafer processing system (10) comprises: a ...
G/S X-ray computed tomography [CT] scanners, not for medical purposes; non-destructive inspection ap...
Invention Non-contact shape measuring apparatus and position adjusting method. Provided are: a sensor head ...
Invention Wafer chuck, temperature control system, and temperature control method. A wafer chuck having a ...
Invention Laser light correction method. The laser light correction method includes: a step of performing ...
Invention Method and device for adjusting optical axis of laser light. Provided are a method and a device ...
Invention Expansion retaining ring. To provide an expansion retaining ring that may maintain an annular sh...
Invention Dicing device. Provided is a dicing device capable of favorably performing a maintenance work, e...
Invention Laser optical system and adjustment method therefor, and laser machining device and method. A la...
Invention Surface shape measurement device and surface shape measurement method. A surface shape measureme...
Invention Three-dimensional shape measuring device and three-dimensional shape measuring method. A three-d...
Invention Shape measuring device and shape measuring method. The shape measuring device includes: a relati...
Invention Three-dimensional shape measuring device, reference surface position adjustment method therefor, ...
Invention Surface shape measuring device and surface shape measurement method. A surface shape measuring d...
Invention Adjustment method for shape measuring device. An adjustment method for a shape measuring device ...
G/S Contactless electronic displacement sensors; electronic displacement sensors; contactless contour...
Invention Automatic balancer. An automatic balancer comprising: a balance head configured to rotate integra...
Invention Wafer test system, probe card replacing method, and prober. The wafer test system includes: a pro...
Invention Chiller system. The chiller system includes an internal circulation path, an external circulation...
Invention Housing and prober. A housing for a prober having a multi-layer structure in which measuring par...
Invention Laser irradiating device, laser irradiating method, and laser processing device. A laser irradia...
G/S Battery manufacturing equipment; semiconductor manufacturing machines. Measuring or testing mach...
Invention Groove shape measuring method and groove shape measuring apparatus. The present disclosure provi...
Invention Machining state detection apparatus, machining state detection method, program, dicing apparatus,...
Invention Charge/discharge test system. This charge/discharge test system includes a test device 20-1 that ...
Invention Workpiece machining apparatus. This workpiece machining apparatus comprises: a table that holds a...
Invention Laser processing method and device. This laser machining method comprises using a laser machining...
Invention Grinding device and grinding method. [Problem] To provide a grinding device and a grinding method...
Invention Workpiece machining method. This is a workpiece machining method for performing hollowing machini...
Invention Workpiece visual inspection device and method. [Problem] To provide a workpiece visual inspection...
Invention Machining device and image processing method. This machining device acquires data including infor...
Invention Laser processing device. This laser processing device processes a workpiece given a relative proc...
Invention Laser processing method, laser processing device, and laser light source. Provided is a laser pro...
Invention Processing discharge liquid filtration device. A processing discharge liquid filtration device e...
Invention Probe, and shape measuring device. This probe comprises: a light incidence/emission portion (cabl...
Invention Measurement device and measurement method. This measurement device (10) comprises: a light source...
Invention Measurement device. A measurement device (1) is provided with a stylus for measuring the surface ...
Invention Measurement device. A measurement device (1) comprises: a detector (10) that is accommodated in a...
Invention Prober and temperature measurement method. Provided with a prober and a temperature measurement ...
Invention Semiconductor wafer grinding device and grinding method. The peripheries of semiconductor wafers ...
Invention Drive control device, drive control method, program and prober. A drive control device including...
Invention Prober. LRLRLRLRR. The prober 10 can quickly detect the position of the tip of the probe.
Invention Machine tool with automatic tool changer, and eddy current sensor used for same. Provided is a ma...
Invention Measuring force adjustment mechanism and measuring device equipped with same. A measuring force a...
Invention Grinding stone truing method and truing device. This grinding stone truing device comprises: a tr...
2023 G/S Measuring or testing machines and instruments for manufacturing semi-conductors; precision measu...
G/S Semiconductor manufacturing machines and their component parts and fittings; machines for detecti...
G/S Semiconductor manufacturing machines and their parts and fittings; machines for detecting defect...
G/S Semiconductor manufacturing machines and their parts and fittings; machines for detecting defecti...
Invention Shape measurement device. [Solution] A shape measurement device for acquiring a plurality of sur...
2022 G/S Measuring or testing machines and instruments, namely, instruments for measuring dimensions and d...
G/S Measuring or testing machines and instruments; measuring heads; inner diameter measuring heads; ...
Invention Tool holder attachment state detection method, tool holder attachment state detection device, dis...
Invention Workpiece processing apparatus. A workpiece processing apparatus that prevents a processing capa...
Invention Sheet release apparatus. A sheet release apparatus that stably releases a protective sheet from ...
2021 Invention Cleaning device for wafer-suction chuck mechanism. A cleaning device for a wafer-suction chuck m...
Invention Apparatus and method for detecting tension abnormality in dicing tape. An apparatus and a method...
G/S Semiconductor manufacturing machines and systems; machines for detecting defective products for ...
Invention Fly-cut apparatus. A fly-cut apparatus to process a work with bumps on a front surface. A fly-cu...
G/S Custom manufacture of semiconductor manufacturing machines and systems for others; custom manufac...
G/S Custom manufacture of semiconductor manufacturing machines and systems for others; custom manufa...
2017 G/S Chemical machines, namely, semiconductor wafer drying machines, semiconductor wafer scrubbing and...
2014 G/S Interferometers
G/S Interferometers.
G/S Machinery installation; Repair or maintenance of metalworking machines and tools; Repair or maint...
2008 G/S Machine balancer, and electronic controller and accelerometer therefor, sold as a unit; machine ...
2005 G/S Wire slicing machines, wafer slicing machines, slicing machines for non-silicon wafers, wafer cle...
2002 G/S dicing machines
G/S cutting machines for manufacturing semiconductor chips; cutting machines for manufacturing liquid...
2000 G/S Metal working machines and tools, namely, semiconductor manufacturing equipment, namely, wafer pr...
1995 G/S machine balancer, and electronic controller and accelerometer therefor, sold as a unit; machine b...
1985 G/S SURFACE ROUGHNESS MEASURING INSTRUMENT
1973 G/S ELECTRONIC INSTRUMENTS COMPRISING A GAUGE HEAD, INSTRUMENT BASE, AMPLIFYING, CONTROL AND RECORDIN...
1969 G/S AUTOMATIC ELECTRONIC MEASURING AND CONTROL DEVICES FOR MEASURING THE WORK PRODUCT OF CYLINDRICAL ...
1963 G/S [ ELECTRIC MICROMETERS, ] ELECTRO-MECHANICAL INSTRUMENTS FOR THE MEASUREMENT OF SURFACE ROUGHNESS...