• 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: 7991

10-year publication summary

485
617
643
686
586
631
556
538
603
273
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Tokyo Electron Limited
13956
853
Applied Materials, Inc.
20601
741
Taiwan Semiconductor Manufacturing Company, Ltd.
49027
374
Murata Machinery, Ltd.
1619
317
Screen Holdings Co., Ltd.
3267
233
Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.)
3304
184
Kokusai Electric Corporation
2257
182
Semes Co., Ltd.
1681
177
Brooks Automation US, LLC
327
163
Lam Research Corporation
5709
158
Daifuku Co., Ltd.
1104
151
Samsung Electronics Co., Ltd.
159298
130
Brooks Automation Holding, LLC
171
91
Ebara Corporation
2371
86
ULVAC, Inc.
1339
84
Sinfonia Technology Co., Ltd.
286
78
ASM IP Holding B.V.
2472
77
Kawasaki Heavy Industries, Limited
1705
72
Nikon Corporation
7229
57
Persimmon Technologies, Corp.
164
56
Other owners 3727