Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887581 | Ignition apparatus for internal combustion engine | — | 1989-12-19 |
| 4871471 | Phosphor for cathode ray tube | — | 1989-10-03 |
| 4859741 | Polyester composition | Katsuhiko Takahashi, Tsuneyasu Nakashima, Hiroshi Nakatsuji | 1989-08-22 |
| 4856488 | Ignition system for an internal combustion engine | — | 1989-08-15 |
| 4844034 | Ignition timing control apparatus | Yoshihisa Honjo | 1989-07-04 |
| 4796411 | Packaging food in raised state | Masatoshi Kimura, Yujiro Fujikawa, Tatsuaki Inomata | 1989-01-10 |