Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884236 | Bloch line memory device | Youzi Maruyama, Ryo Suzuki | 1989-11-28 |
| 4845671 | Bloch line memory device | Youji Maruyama, Teruaki Takeuchi, Ryo Suzuki | 1989-07-04 |
| 4837140 | Color image-forming high silver chloride color photographic material having improved spectral sensitivity and silver removability for use therewith | Tadashi Ogawa | 1989-06-06 |
| 4822726 | Method for formation of color images and high silver chloride color photographic materials having improved spectral sensitivity and desilvering property for use therewith | Tadashi Ogawa, Masaki Okazaki | 1989-04-18 |
| 4817053 | Apparatus for storing and retrieving information using an electron beam | Kazuo Shigematsu, Yasushi Miyauchi, Motoyasu Terao, Tetsuya Nishida, Shinkichi Horigome +2 more | 1989-03-28 |