Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11970669 | Lubricant, lubricating composition, and sliding machine | Mamoru Tohyama, Shigeru Hotta, Norikazu Sato, Hisato Takeuchi, Yoshihiro Kikuzawa +1 more | 2024-04-30 |
| 10369498 | Oil deterioration suppressing apparatus | Hideto Morishita, Yasuhiro Saito, Ippei Fukutomi, Motoichi Murakami, Katsuichi Miyasaka +3 more | 2019-08-06 |
| 7699037 | Diesel engine lubricated with fuel such as light oil | Akira Yamashita, Motoichi Murakami, Tomoyuki Ono, Toshihide Ohmori | 2010-04-20 |
| 7461637 | Diesel engine lubricated with fuel such as light oil | Akira Yamashita, Motoichi Murakami, Tomoyuki Ono, Toshihide Ohmori | 2008-12-09 |
| 7368168 | Low-friction sliding member | Hiroyuki Mori, Fumio Shimizu, Hideo Tachikawa, Toshihide Ohmori, Mamoru Tohyama +3 more | 2008-05-06 |
| D309180 | Air conditioner | — | 1990-07-10 |
| D307791 | Air conditioner | — | 1990-05-08 |
| D307317 | Air conditioner | — | 1990-04-17 |
| D307178 | Air conditioner | — | 1990-04-10 |
| D307049 | Air conditioner | — | 1990-04-03 |
| D306062 | Air conditioner | — | 1990-02-13 |
| D305456 | Air conditioner | — | 1990-01-09 |
| D304364 | Air conditioner | — | 1989-10-31 |
| D304365 | Air conditioner | — | 1989-10-31 |
| D304228 | Air conditioner | — | 1989-10-24 |
| D302852 | Air conditioner | — | 1989-08-15 |
| D300711 | Combined microwave oven and electric oven | — | 1989-04-18 |
| D293410 | Microwave oven | — | 1987-12-29 |
| D281138 | Microwave oven | Hiroshi Fujii, Wataru Iwahashi, Masakazu Sugiyama | 1985-10-29 |
| D281139 | Microwave oven | Hiroshi Fujii, Masakazu Sugiyama, Wataru Iwahashi | 1985-10-29 |
| D268083 | Microwave oven | Yoshitsugu Hirose, Masakazu Sugiyama | 1983-03-01 |