Issued Patents 1989
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884263 | Packet-switched communications network with parallel virtual circuits for re-routing message packets | — | 1989-11-28 |
| 4879340 | Adsorbent composed of porous beads of chitosan and adsorption method using same | Soyao Moriguchi, Hiroko Watanabe, Motoaki Satoh, Michio Abe, Yasuo Iwata | 1989-11-07 |
| 4868813 | Packet concentrator and switch including a controller for assigning priorities to space switch input terminals for control of buffers | — | 1989-09-19 |
| 4865385 | Reclining device for bucket seat | — | 1989-09-12 |
| 4850622 | Pipe joint | — | 1989-07-25 |
| 4849957 | Digital signal reproducing circuit | — | 1989-07-18 |
| 4838287 | Method and device for electromagnetic removal of spatter on nozzle of arc welding torch | Hitoshi Matsui | 1989-06-13 |
| 4830518 | Sealed cylindrical roller bearing | Takaaki Shiratani, Moichi Chiba | 1989-05-16 |
| 4831309 | Cathode ray tube apparatus | Shigeya Ashizaki, Osamu Konosu, Masao Natsuhara | 1989-05-16 |
| 4819718 | Heat exchanging unit with a hydrogen adsorption alloy | Hiroshi Ishikawa, Keisuke Oguro, Akihiko Kato, Teruya Okada, Shizuo Sakamoto +2 more | 1989-04-11 |
| 4819717 | Heat exchanging unit with a hydrogen adsorption alloy | Hiroshi Ishikawa, Keisuke Oguro, Akihiko Kato, Teruya Okada, Shizuo Sakamoto +2 more | 1989-04-11 |
| 4814670 | Cathode ray tube apparatus having focusing grids with horizontally and vertically oblong through holes | Masao Natsuhara, Chisato Kurusu | 1989-03-21 |
| 4812104 | Electrical robot | — | 1989-03-14 |
| 4811126 | Recording/reproducing system for a magnetic recording medium including synchronization detecting circuit | Koji Osafune | 1989-03-07 |
| 4809090 | Recording/reproducing system having a magnetic head of preceding-erase type | — | 1989-02-28 |
| 4808437 | Method for producing magnetic recording medium | Akira Kisoda, Tomiharu Hosaka, Masanaru Hasegawa | 1989-02-28 |
| 4803000 | Lubricant for cold plastic working of aluminum alloys | Takao Uematsu, Shigeki Komatsuzaki, Fumio Nakano | 1989-02-07 |
| 4799215 | High-speed packet-switched communications system with end-to-end flow control and retransmission | — | 1989-01-17 |