Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4995765 | Method of collecting wastes and system therefor | Tomoya Tokuhiro, Teruhiko Miyauchi, Koshin Kikuchi, Jun Hirokawa, Kunio Yamashiro +5 more | 1991-02-26 |
| 4993882 | Waste collection method | Sakae Nishizuka, Ippei Watanabe, Shozo Maruo, Yohichiro Tsutsui, Sadahito Ishikawa +2 more | 1991-02-19 |
| 4631076 | Apparatus for removing carbon particles from exhaust gas from internal combustion engine | Mitsuo Kurihara, Fumio Sato, Yoshiyuki Iwasawa, Hiroshi Harada | 1986-12-23 |