Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33120 | Method for driving liquid crystal element employing ferroelectric liquid crystal | Yoshiharu Nagae, Masato Isogai, Hideaki Kawakami | 1989-11-28 |
| 4828924 | Magnetic recording medium | Mitsutoshi Shoji, Koo Honjoo, Yoshiharu Honma, Toshikazu Narahara | 1989-05-09 |
| 4825284 | Semiconductor resin package structure | Tasao Soga, Marahiro Goda, Tadao Kushima, Nobuyuki Ushifusa, Fumiyuki Kobayashi +1 more | 1989-04-25 |
| 4803000 | Lubricant for cold plastic working of aluminum alloys | Takao Uematsu, Hiroshi Suzuki, Shigeki Komatsuzaki | 1989-02-07 |