Issued Patents 1989
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4890214 | Start circuit for adapting a constant current generator to a wide variety of loads | — | 1989-12-26 |
| 4857393 | Waterproof water-vapor-permeable laminated structure and applications of the same | Takeo Kato, Naoki Miyazaki | 1989-08-15 |
| 4847696 | System with a timer screen, for reserving the recording of TV programs | Katsumi Matsumoto, Hideo Kunii, Toshiyasu Mori | 1989-07-11 |
| 4821175 | Database processing device | Sadayuki Hikita, Suguru Kawakami, Hiromi Haniuda, Akifumi Sakamoto | 1989-04-11 |
| 4811207 | Join operation processing system in distributed data base management system | Sakayuki Hikita, Suguru Kawakami, Hiromi Haniuda, Akifumi Sakamoto | 1989-03-07 |
| 4808557 | Sintered titanium carbo-nitride ceramics | Tadahiko Watanabe, Kazuhisa Shobu, Yuko Tsuya, Yuji Enomoto, Junshiro Hayakawa +2 more | 1989-02-28 |
| 4807162 | Teachable inspection controller | Masahiko Shibayama, Umekichi Kai | 1989-02-21 |