Issued Patents All Time
Showing 51–60 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5840456 | Color toner comprising two binder resins of differing softening point | Masami Tomita, Yasuo Asahina, Yasuaki Iwamoto, Satoru Miyamoto, Tomomi Suzuki | 1998-11-24 |
| 5776267 | Spring steel with excellent resistance to hydrogen embrittlement and fatigue | Shigenobu Nanba, Masataka Shimotsusa, Nobuhiko Ibaraki, Takenori Nakayama, Takashi Iwata +3 more | 1998-07-07 |
| 5137864 | Thermosensitive recording material | Hisashi Sakai, Kenji Uematu, Kanjiro Kawasaki | 1992-08-11 |
| 5102693 | Thermosensitive recording material | Takanori Motosugi, Hisashi Sakai, Hideo Aihara | 1992-04-07 |
| 4975408 | Thermosensitive recording material | Takanori Motosugi, Hisashi Sakai, Hideo Aihara | 1990-12-04 |
| 4939116 | Thermosensitive recording material | Takashi Ueda, Keiichi Maruta | 1990-07-03 |
| 4916111 | Thermosensitive recording material | Hisashi Sakai, Kenji Uematu, Kanijiro Kawasaki | 1990-04-10 |
| 4895828 | Thermosensitive recording material | Hisashi Sakai | 1990-01-23 |
| 4857502 | Thermosensitive recording material | Takashi Ueda, Keiichi Maruta | 1989-08-15 |
| 4798820 | Thermosensitive recording material | Hiroshi Sakamoto | 1989-01-17 |