• All sections
  • H - Electricity
  • H01L - Semiconductor devices not covered by class
  • H01L 21/677 - Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereofApparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components for conveying, e.g. between different work stations

Patent holdings for IPC class H01L 21/677

Total number of patents in this class: 7975

10-year publication summary

484
617
643
686
588
631
585
579
629
95
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Tokyo Electron Limited
13380
855
Applied Materials, Inc.
19683
745
Taiwan Semiconductor Manufacturing Company, Ltd.
46613
375
Murata Machinery, Ltd.
1543
316
Screen Holdings Co., Ltd.
3011
229
Semes Co., Ltd.
1551
185
Kokusai Electric Corporation
2155
180
Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.)
3145
180
Brooks Automation US, LLC
336
163
Lam Research Corporation
5437
157
Daifuku Co., Ltd.
1029
150
Samsung Electronics Co., Ltd.
151485
129
Brooks Automation Holding, LLC
196
98
ULVAC, Inc.
1372
86
Ebara Corporation
2252
85
Sinfonia Technology Co., Ltd.
273
77
ASM IP Holding B.V.
2227
75
Kawasaki Heavy Industries, Limited
1631
73
Nikon Corporation
7263
59
Persimmon Technologies, Corp.
157
57
Other owners 3701