Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11598902 | Optical member, optical apparatus, imaging apparatus, and manufacturing method of optical member | Masaaki Nakabayashi, Hiroyuki Tanaka, Manami Tomizuka | 2023-03-07 |
| 6491808 | Electrolytic etching method, method for producing photovoltaic element, and method for treating defect of photovoltaic element | Hirofumi Ichinose, Ippei Sawayama, Tsutomu Murakami, Yukie Ueno | 2002-12-10 |
| 6051116 | Etching apparatus | Hirofumi Ichinose, Ippei Sawayama, Akio Hasebe, Tsutomu Murakami, Satoshi Shinkura +1 more | 2000-04-18 |
| 5993637 | Electrode structure, electrolytic etching process and apparatus | Akio Hasebe, Tsutomu Murakami, Hirofumi Ichinose, Satoshi Shinkura, Yukie Ueno | 1999-11-30 |
| 5863412 | Etching method and process for producing a semiconductor element using said etching method | Hirofumi Ichinose, Ippei Sawayama, Akio Hasebe, Tsutomu Murakami, Satoshi Shinkura +1 more | 1999-01-26 |