Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12119499 | Chromium-containing steel sheet for current collector of nonaqueous electrolyte secondary battery and method for manufacturing the same | Shin Ishikawa | 2024-10-15 |
| 12074348 | Austenitic stainless steel sheet for fuel cell separators and production method therefor | Shin Ishikawa | 2024-08-27 |
| 11618967 | Production method for stainless steel sheet for fuel cell separators | Shin Ishikawa | 2023-04-04 |
| 11380907 | Substrate stainless steel sheet for fuel cell separators and production method therefor | Shin Ishikawa | 2022-07-05 |
| 11230756 | Ferritic stainless steel | Kunio Fukuda, Shin Ishikawa, Katsuhisa Yamauchi, Reiko Sugihara, Hideya Matsumoto | 2022-01-25 |
| 11085120 | Stainless steel sheet for fuel cell separators and production method therefor | Shin Ishikawa | 2021-08-10 |
| 10930940 | Stainless steel sheet for fuel cell separators, and production method therefor | Shin Ishikawa | 2021-02-23 |
| 10763517 | Stainless steel sheet for fuel cell separators, and production method therefor | Shin Ishikawa | 2020-09-01 |
| 10714764 | Stainless steel sheet for fuel cell separators and method for producing the same | Shin Ishikawa, Chikara Kami | 2020-07-14 |
| 10516174 | Metal sheet for separators of polymer electrolyte fuel cells, and metal sheet for manufacturing the same | Shin Ishikawa, Chikara Kami | 2019-12-24 |
| 10431832 | Stainless-steel foil for separator of polymer electrolyte fuel cell | Shin Ishikawa | 2019-10-01 |
| 10256478 | Stainless steel sheet for separator of polymer electrolyte fuel cell | Shin Ishikawa | 2019-04-09 |
| 9799896 | Stainless steel foil for separators of polymer electrolyte fuel cells | Shin Ishikawa | 2017-10-24 |
| 9321246 | Cold rolled steel sheet | Katsuya Hoshino, Shinji Ootsuka, Tatsuya Miyoshi | 2016-04-26 |
| 9175414 | Cold rolled steel sheet | Katsuya Hoshino, Shinji Ootsuka | 2015-11-03 |
| 8144313 | Paper sheet recognizing method and apparatus | Toshio Numata, Shinji Matsuura, Tatsuya Sugano | 2012-03-27 |
| 6908029 | Bill counter | Toshio Numata, Tomoyasu Sato, Shinji Matsuura, Hajime Morino | 2005-06-21 |