- All sections
- B - Performing operationstransporting
- B28D - Working stone or stone-like materials
- B28D 5/00 - Fine working of gems, jewels, crystals, e.g. of semiconductor materialApparatus therefor
Patent holdings for IPC class B28D 5/00
Total number of patents in this class: 1080
10-year publication summary
|
67
|
77
|
82
|
83
|
97
|
65
|
66
|
57
|
63
|
29
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Disco Corporation | 1957 |
116 |
| Mitsuboshi Diamond Industrial Co., Ltd. | 148 |
77 |
| Nippon Electric Glass Co., Ltd. | 2558 |
76 |
| Hamamatsu Photonics K.K. | 4697 |
38 |
| Siltectra GmbH | 90 |
36 |
| Siltronic AG | 437 |
31 |
| Asahi Glass Company, Limited | 2606 |
22 |
| Bando Kiko Co., Ltd. | 76 |
20 |
| Meyer Burger AG | 34 |
17 |
| TCL Zhonghuan Renewable Energy Technology Co., Ltd. | 145 |
15 |
| Corning Incorporated | 10504 |
14 |
| Globalwafers Co., Ltd. | 730 |
13 |
| Sahajanand Technologies Private Limited | 28 |
13 |
| Wolfspeed, Inc. | 904 |
13 |
| Shin-Etsu Handotai Co., Ltd. | 1307 |
12 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48560 |
11 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11127 |
11 |
| Gebr. Schmid GmbH & Co. | 67 |
10 |
| Infineon Technologies AG | 8410 |
9 |
| National University Corporation Saitama University | 136 |
8 |
| Other owners | 518 |