Issued Patents 1989
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D301484 | Printer | — | 1989-06-06 |
| D301483 | Printer | — | 1989-06-06 |
| 4829948 | Valve operating device for internal combustion engine | Kenji Hirose, Toshiyasu Komatsu, Kazuaki Shimoyama, Yoshihito Tsuji | 1989-05-16 |
| 4825007 | Oxidation process of aromatic compounds | Yutaka Konai, Masatoshi Hino | 1989-04-25 |
| 4807576 | Hydraulic lash adjuster for use in valve operating mechanism | Toshinari Sonoda, Toshihiko Matsubara, Takashi Otowa | 1989-02-28 |
| 4804788 | Preparation process of 4,4-dihydroxybiphenyl | Yutaka Konai, Tadashi Nakamura, Takayuki Tanonaka, Yoshihisa Machida | 1989-02-14 |
| 4800850 | Hydraulic circuit for a valve operating mechanism for an internal combustion engine | Koichi Fukuo | 1989-01-31 |