Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5675968 | Secondary air control apparatus for exhaust gas purifier | Hideaki Katashiba, Yasuhiko Hosoya, Toshiki Kuroda | 1997-10-14 |
| 5653106 | Exothermic heat generating apparatus | Hideaki Katashiba, Hiroshi Kimura, Tsuneo Yumikura, Akira Doi, Yoshiaki Akase +1 more | 1997-08-05 |