• 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: 8042

10-year publication summary

486
618
644
687
587
631
570
557
615
256
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Tokyo Electron Limited
13796
865
Applied Materials, Inc.
20363
745
Taiwan Semiconductor Manufacturing Company, Ltd.
48248
377
Murata Machinery, Ltd.
1593
317
Screen Holdings Co., Ltd.
3148
233
Semes Co., Ltd.
1677
184
Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.)
3245
184
Kokusai Electric Corporation
2215
183
Brooks Automation US, LLC
331
165
Lam Research Corporation
5621
159
Daifuku Co., Ltd.
1079
153
Samsung Electronics Co., Ltd.
157557
132
Brooks Automation Holding, LLC
177
94
Ebara Corporation
2323
86
ULVAC, Inc.
1347
84
Sinfonia Technology Co., Ltd.
281
78
ASM IP Holding B.V.
2387
77
Kawasaki Heavy Industries, Limited
1671
72
Nikon Corporation
7235
57
Persimmon Technologies, Corp.
161
56
Other owners 3741