- 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 |