• 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: 8067

10-year publication summary

486
618
644
687
588
632
587
576
629
220
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Tokyo Electron Limited
13602
869
Applied Materials, Inc.
20135
751
Taiwan Semiconductor Manufacturing Company, Ltd.
47675
380
Murata Machinery, Ltd.
1577
317
Screen Holdings Co., Ltd.
3111
233
Semes Co., Ltd.
1601
190
Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.)
3204
183
Kokusai Electric Corporation
2194
182
Brooks Automation US, LLC
337
165
Lam Research Corporation
5555
159
Daifuku Co., Ltd.
1064
154
Samsung Electronics Co., Ltd.
154987
132
Brooks Automation Holding, LLC
187
94
Ebara Corporation
2278
86
ULVAC, Inc.
1353
85
Sinfonia Technology Co., Ltd.
277
80
ASM IP Holding B.V.
2314
78
Kawasaki Heavy Industries, Limited
1642
73
Nikon Corporation
7286
57
Persimmon Technologies, Corp.
160
57
Other owners 3742