Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11549408 | Iron-based sintered alloy valve seat for internal combustion engine | Ayato OIKAWA, Kiyoshi Suwa, Katsuaki Ogawa, Kenichi Sato | 2023-01-10 |
| 10605374 | Valve seat insert excellent in wear resistance made of iron-base sintered alloy for internal combustion engines, and assembly of valve seat insert and valve | Seisuke Takaki, Ayato OIKAWA | 2020-03-31 |
| 10428700 | Highly wear-resistant valve seat for use in internal combustion engine | Satoshi IKEMI, Kenichi Sato | 2019-10-01 |
| 10287933 | Assembly of internal combustion engine valve and valve seat | Satoshi IKEMI, Kiyoshi Suwa, Kenichi Sato, Kouji Kunitake, Ryouichi Yoshino | 2019-05-14 |
| 10273838 | Valve seat insert for internal combustion engine having excellent wear resistance | Satoshi IKEMI, Seisuke Takaki, Tomoki Okita, Keisuke Ishii, Toshiyuki Sawada +1 more | 2019-04-30 |
| 9803268 | Iron-base sintered alloy material for valve seat insert and method for manufacturing the same | Satoshi IKEMI | 2017-10-31 |
| 8733313 | Iron-based sintered alloy for valve seat, and valve seat for internal combustion engine | Kenichi Sato, Takeshi Haniu | 2014-05-27 |
| 8733875 | Liquid discharge apparatus and liquid discharge method | — | 2014-05-27 |
| 6318327 | Valve system for internal combustion engine | Teruo Takahashi | 2001-11-20 |
| 5975039 | Process for manufacturing valve seat made of sintered FE alloy and valve seat made of sintered FE alloy | — | 1999-11-02 |
| 5895517 | Sintered Fe alloy for valve seat | Osamu Kawamura, Takashi Kawamoto | 1999-04-20 |