Issued Patents 1989
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865174 | Cooling mechanism of pull-type clutch | — | 1989-09-12 |
| 4861254 | Cassette-type molding die | Yoshiaki Takeuchi | 1989-08-29 |
| 4856919 | Pen printer | Daiju Kohga, Yasuo Yukita | 1989-08-15 |
| 4846330 | Clutch cover assembly | — | 1989-07-11 |
| 4837662 | Gas insulated switchgear | Kiyokazu Torimi, Keizo Takatsuka | 1989-06-06 |
| 4824358 | Resin molding die | — | 1989-04-25 |
| 4821141 | Gas insulated switchgear | Kiyokazu Torimi, Keizo Takatsuka | 1989-04-11 |
| 4821140 | Gas insulated switchgear disconnector arrangement | Kiyokazu Torimi, Keizo Takatsuka | 1989-04-11 |
| 4803392 | Piezoelectric transducer | Keiko Kushida, Toshio Kobayashi, Kazumasa Takagi, Kenzo Susa | 1989-02-07 |
| 4801835 | Ultrasonic probe using piezoelectric composite material | Chitose Nakaya, Kageyoshi Katakura | 1989-01-31 |