Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9032914 | Intake system for internal combustion engine | Masao Ino, Sadayuki Kamiya | 2015-05-19 |
| 7150828 | Fluid filter having drain structure and drain tool | Haruaki Sakata, Toshihiro Takahara, Noriyuki Tsuge | 2006-12-19 |
| 7141166 | Drain structure having drainpipe and fluid filter using the same | Toshihiro Takahara, Noriyuki Tsuge | 2006-11-28 |
| 5306794 | Method of producing copolymer | Toru Doi | 1994-04-26 |