Issued Patents All Time
Showing 426–441 of 441 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4829190 | Automatic hydraulic clamping mechanism for a window foil holder of an electron beam irradiator | Kenji Okamoto | 1989-05-09 |
| 4821126 | Magnetic recording method involving core pieces of different thickness | — | 1989-04-11 |
| 4801973 | Photographic paper reserver mechanism | Kunio Takagi | 1989-01-31 |
| 4727043 | Method of manufacturing a non-volatile memory | Motoo Nakano | 1988-02-23 |
| 4723012 | Desmosine derivatives having a disulfide bond and preparation of artificial antigen using the same | Takashi Okada, Shigenobu Mizusaki | 1988-02-02 |
| 4719155 | Epitaxial layer structure grown on graded substrate and method of growing the same | — | 1988-01-12 |
| 4710837 | Magnetic head device including magnetic media biasing and positioning means | — | 1987-12-01 |
| 4672495 | Thin-film magnetic head | — | 1987-06-09 |
| 4652254 | Centrifugal separator | — | 1987-03-24 |
| 4516039 | Logic circuit utilizing a current switch circuit having a non-threshold transfer characteristic | Isokazu Matsuzaki, Akira Yamagiwa, Yutaka Watanabe, Katsumi Yabe | 1985-05-07 |
| D269086 | Video tape recorder | Jun Ishii | 1983-05-24 |
| 4381202 | Selective epitaxy by beam energy and devices thereon | Haruhisa Mori, Tsutomu Ogawa | 1983-04-26 |
| D266663 | Video tape recorder | Jun Ishii | 1982-10-26 |
| 4316207 | V-Groove semiconductor memory device | — | 1982-02-16 |
| 4292156 | Method of manufacturing semiconductor devices | Takahiro Nawata | 1981-09-29 |
| 4211898 | Headphone with two resonant peaks for simulating loudspeaker reproduction | Nobuhisa Atoji, Shoichi Kusumoto, Kazue Sato, Mitsuhiro Hasegawa | 1980-07-08 |