Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5776267 | Spring steel with excellent resistance to hydrogen embrittlement and fatigue | Shigenobu Nanba, Hiroshi Yaguchi, Masataka Shimotsusa, Nobuhiko Ibaraki, Takenori Nakayama +3 more | 1998-07-07 |
| 5774157 | Method of density adjustment for a magnetic printing apparatus | Kunio Kinoshita, Keiichi Ono | 1998-06-30 |
| 4665296 | Method of and apparatus for igniting a high-frequency torch to create a high-temperature plasma of high purity | Seiji Yokota, Yoshiaki Inoue, Tadashi Koizumi | 1987-05-12 |
| 4527876 | Exposure control shutter of a camera | Harumi Tanaka | 1985-07-09 |
| 4375323 | Waterproof housing for camera | Tetsuhiko Inagaki, Tetsuro Oya, Toshinori Imura | 1983-03-01 |
| 4260965 | Fixed microwave attenuator having mounting hole passing through alumina porcelain substrate | Kiichi Nakamura | 1981-04-07 |