Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4838233 | Pilot injection system for fuel injection pump | Satoshi Hayashi, Masahiro Tomita, Hirokatsu Mukai | 1989-06-13 |
| 4834052 | Internal combustion engine having air/fuel mixture with anti-reducing semiconducting porcelain having a positive temperature coefficient of resistance and method for using such porcelain for heating air/fuel mixture | Makoto Hori, Hirokatsu Mukai, Toshiatsu Nagaya, Naoto Miwa, Itsuhei Ogata | 1989-05-30 |
| 4831432 | Positive ceramic semiconductor device | Makoto Hori, Itsuhei Ogata, Naoto Miwa | 1989-05-16 |
| 4803345 | Ceramic heater apparatus with metal electrodes | Hiroki Hoshizaki, Kazuo Oyobe, Hirofumi Suzuki, Nobuaki Kawahara, Terutaka Kageyama | 1989-02-07 |