Issued Patents All Time
Showing 276–300 of 323 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5347406 | Digital video recording apparatus for recording digital video signals of reduced bit rate on magnetic tape having particular thickness, energy product and surface roughness | Kazunobu Chiba, Yuichi Arisaka | 1994-09-13 |
| 5340943 | Method of using oxide superconducting conductor | — | 1994-08-23 |
| 5329511 | Optical head cleaning cartridge | — | 1994-07-12 |
| 5307334 | Optical head cleaning cartridge | — | 1994-04-26 |
| 5288699 | Method of manufacturing oxide superconducting wire | Takeshi Hikata | 1994-02-22 |
| 5287338 | Error signal generation for light beam reflected from optical disk with plurality of light detecting elements | — | 1994-02-15 |
| 5276281 | Superconducting conductor | Hidehito Mukai, Nobuhiro Shibuta | 1994-01-04 |
| 5264911 | Laser power measuring jig for optical disk unit | Kazuhiko Nakane, Masayoshi Shimamoto, Yoshihiro Kiyose, Keiji Nakatsu, Isao Watanabe +4 more | 1993-11-23 |
| 5253122 | Recording of digital video signals on a magnetic medium having a particular energy product and surface roughness | Kazunobu Chiba, Yuichi Arisaka | 1993-10-12 |
| 5247397 | Method for magnetically recording digital video signals with specified ranges of the easy axis and the bias magnetic field | Kazunobu Chiba, Yuichi Arisaka, Toshiharu Kobayashi, Yukari Yamada | 1993-09-21 |
| 5246917 | Method of preparing oxide superconducting wire | Takeshi Hikata | 1993-09-21 |
| 5236891 | Method of preparing bismuth oxide superconductor comprising heating under a reduced pressure | Takeshi Hikata | 1993-08-17 |
| 5216213 | Pressure switch | — | 1993-06-01 |
| 5207306 | Device for operating clutch of vehicle | Eisaku Shinohara, Takeshi Imamura, Masaru Nakata | 1993-05-04 |
| 5182769 | Telephone set having a volatile memory | Kentoku Yamaguchi | 1993-01-26 |
| 5172250 | Hologram scale having moisture resistance | Hideki Tsuchiya, Hiroyuki Ohkubo | 1992-12-15 |
| D329435 | Agricultural tractor | Hisato Katoh, Seiichi Takahashi | 1992-09-15 |
| 5134528 | Low frequency component restoration circuit for restoring and compensating for a low frequency component lost in a digital signal transmission system | — | 1992-07-28 |
| 5130296 | Method of preparing an oxide superconducting thin film on a substrate with a plurality of grooves | Satoshi Takano, Shigeru Okuda, Noriyuki Yoshida, Noriki Hayashi | 1992-07-14 |
| 5125799 | Impeller structure for pump | Yasuo Mitsui | 1992-06-30 |
| 5124812 | Digital recording and reproducing apparatus for muse signal | Yoshinobu Nishikawa, Norihisa Takayama, Tateo Toyama | 1992-06-23 |
| 5114908 | Superconductive conductor | Hidehito Mukai | 1992-05-19 |
| 5094469 | Trailer hitch device for motor vehicles | Akihito Yamamoto, Michihiro Kawamura, Yasunori Kumagai | 1992-03-10 |
| 5014836 | Fan drive clutch for internal combustion engine | Toshio Harima, Tatsuyuki Matsuya | 1991-05-14 |
| 5005797 | Door mirror for vehicles | Masashi Maekawa, Kunio Kotani, Ryoji Ukaji, Hiroshi Shimizu | 1991-04-09 |