Tadayoshi Yoshikawa
Inventor
Stats
- 6 US patents issued
- 9 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 6 US Patents Issued
- 9 US Applications Filed
- 174 Total Citation Count
- Mar 9, 2020 Most Recent Filing
- Jul 20, 1979 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| NIPPON TUNGSTEN CO., LTD. | 2
| 2013
|
| SHINKO ELECTRIC INDUSTRIES CO., LTD. | 2
4 2 2 2 | 2008
2009 2010 2013 2015 |
| Trek Holding Co., Ltd. | 2
| 2013
|
| MITSUI CHEMICALS, INC. | 1
| 1979
|
| JAPAN FINE CERAMICS CENTER | 2
| 2013
|
| Mitsuboshi Sangyo Co., Ltd. | 1
| 1979
|
Inventor Addresses
| Address | Duration |
|---|---|
| Nagano, JP | Mar 05, 09 - Dec 06, 22 |
| Nagano-shi, JP | Jul 02, 09 - Jun 24, 10 |
| Ohtake, JP | Oct 28, 80 - Oct 28, 80 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| B05C: | APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL | 1 |
| B23B: | TURNING; BORING | 1 |
| B32B: | LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM | 1 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 11521885 | 2022 | Substrate fixing device | 0 |
| 2020/0294,838 | 2020 | SUBSTRATE FIXING DEVICE | 3 |
| 9837297 | 2017 | Tray and wafer holding apparatus | 0 |
| 2015/0371,885 | 2015 | TRAY AND WAFER HOLDING APPARATUS | 4 |
| 9120704 | 2015 | Dielectric layer for electrostatic chuck and electrostatic chuck | 0 |
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