Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7725998 | Washing-machine disassembling method and disassembling apparatus, recycled resin and resin product | Naoyuki Harada, Yohei Kawaguchi | 2010-06-01 |
| 4278509 | Method of activating oxygen concentration cell | Yasuhiro Otsuka, Shinichi Matsumoto, Kiyoshi Uchida, Toshinobu Furutani | 1981-07-14 |
| 4208265 | Oxygen sensor element and process of manufacture | Kiyoshi Uchida, Yasuhiro Otsuka, Shinichi Matsumoto, Hiroshi Wakisaka | 1980-06-17 |