Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6763660 | Exhaust structure in engine for automobile | — | 2004-07-20 |
| 6205778 | Exhaust pipe assembly for multi-cylinder internal combustion engine | Manabu Akaba, Kazuhiro Furuhashi | 2001-03-27 |
| 4985592 | Process for the preparation of unsaturated carboxylic acids | Hiromichi Ishii, Masao Kobayashi, Kazuhiro Ishii | 1991-01-15 |
| 4802999 | Lubricating grease | Takehiro Koizumi | 1989-02-07 |
| 4380664 | Process for producing unsaturated aldehydes, and unsaturated fatty acids | Hiromichi Ishii, Masao Kobayashi, Kantaro Yamada | 1983-04-19 |
| 4341900 | Catalytic process for the preparation of unsaturated carboxylic acid | Hiromichi Ishii, Masao Kobayashi, Masato Otani | 1982-07-27 |
| 4269705 | Method for removing chromium ions from aqueous solutions of organic acids | Teruhiko Yoshioka, Kazuya Okada, Minoru Ikeda | 1981-05-26 |
| 4219670 | Process for producing unsaturated aldehydes and unsaturated carboxylic acids | Kazuya Okada, Hiromichi Ishii, Masao Kobayashi | 1980-08-26 |