Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10036287 | Valve seat | Shohtaroh Hara | 2018-07-31 |
| 9581056 | Valve seat | Fusanobu Hanada, Shohtaroh Hara | 2017-02-28 |
| 9556761 | Valve seat | Shohtaroh Hara | 2017-01-31 |
| 6951579 | Sintered alloy for valve seats, valve seat and manufacturing method thereof | — | 2005-10-04 |
| 4968846 | Method for the prevention of post oxidation of methacrolein | Morimasa Kuragano, Kozo Iwasaki, Takeshi Isobe, Hirozo Segawa, Katsuji Yoguchi | 1990-11-06 |
| 4879412 | Purification process of methacrylic acid | Kozo Iwasaki, Morimasa Kuragano, Minoru Koshibe, Yoshihiro Sezaki, Katsuji Yoguchi | 1989-11-07 |
| 4801090 | Discharge pipe and discharge apparatus using the same | Yoshiyuki Yoshida, Kazutaka Onozuka, Yoshihiko Ohashi, Toshihide Tsuji, Kensuke Miyazaki | 1989-01-31 |
| D291873 | Bicycle | — | 1987-09-15 |
| 4491817 | Sheet-wound transformer | — | 1985-01-01 |