Issued Patents 1989
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884259 | Optical memory disk and track access therefor | Hiroshi Horikawa, Yoshio Kudo, Daigo Ezuka | 1989-11-28 |
| 4853724 | Sheet film package and device for loading sheet films | Kenji Tajima, Motoaki Takahashi, Hideo Watanabe, Noboru Arai | 1989-08-01 |
| 4849980 | Laser beam recording method and apparatus | Takenori Tomita, Hideo Watanabe | 1989-07-18 |
| 4835781 | Drooping elimination device for semiconductor laser | — | 1989-05-30 |
| 4831626 | Laser beam recording apparatus | Hideo Watanabe | 1989-05-16 |
| 4831461 | Sheet feed mechanism and method of controlling the same in light beam scanning apparatus | Yasunori Ohta, Shumpeita Torii, Tsutomu Kimura, Takenori Tomita, Toru Itakura +2 more | 1989-05-16 |
| 4814791 | Laser beam scanning method for maintaining a linear beam intensity over the led and laser oscilation regions and implementing apparatus | Yuji Ohara, Hideo Watanabe | 1989-03-21 |
| 4810229 | Omnidirectional toy vehicle | — | 1989-03-07 |