Issued Patents All Time
Showing 26–50 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8011488 | Rotating coil type electromagnetic clutch | Takashi Yamaguchi, Masao Imamura, Satoshi Hayashi, Tsutomu Takeuchi | 2011-09-06 |
| 7682670 | Method for controlling the volume of a molecular beam | Osamu Kobayashi | 2010-03-23 |
| 6051901 | Motor unit fitted with buffer mechanism | — | 2000-04-18 |
| 5966360 | Cleaning disc cartridge | Yukio Miyazaki, Masaru Ikebe, Takateru Satoh, Mitsuo Watanabe, Haruo Shiba | 1999-10-12 |
| 5897106 | Spring assembly and power transmission device using the same | Michinori Murase, Hitoshi Ishikawa | 1999-04-27 |
| 5749173 | Power window regulator apparatus | Toshimitsu Oka, Naofumi Fujie, Hitoshi Ishikawa, Yasuaki Suzuki | 1998-05-12 |
| 5340698 | Optical disk | Hideki Hirata, Keiji Koga | 1994-08-23 |
| 5316466 | Disc molding apparatus | Toshifumi Tanaka, Yasuo Ohira | 1994-05-31 |
| 5219708 | Optical disk | Hideki Hirata, Keiji Koga | 1993-06-15 |
| 5209027 | Polishing of the rear surface of a stamper for optical disk reproduction | Tetuji Takamizawa, Hiroyuki Arioka | 1993-05-11 |
| 5112025 | Molds having wear resistant release coatings | Masatoshi Nakayama, Kunihiro Ueda, Hiroshi Tanabe | 1992-05-12 |
| 5092758 | Disc molding apparatus | Toshifumi Tanaka, Yasuo Ohira | 1992-03-03 |
| 5057960 | Hub for a disk type recording medium | Haruo Shiba, Masaru Ikebe | 1991-10-15 |
| 5010435 | Hub for a disk type recording medium | Haruo Shiba, Masaru Ikebe | 1991-04-23 |
| 4837651 | Disc cartridge | Kimio Tanaka, Haruo Shiba | 1989-06-06 |
| 4779157 | A Shaft having a groove for a video tape cartridge and metallic molds for its preparation | Masatoshi Okamura, Yuji Ishikawa | 1988-10-18 |
| 4726758 | Mold | Masaoki Sekine | 1988-02-23 |
| 4646916 | Molded magnetic tape cassette case having improved gate mark location | Eiichi Nunokawa | 1987-03-03 |
| 4546936 | Magnetic tape cassette casing | Masatoshi Okamura | 1985-10-15 |
| 4511099 | Hub of a tape cassette | Eiichi Nunokawa, Yasuo Ohira | 1985-04-16 |
| 4466036 | Magnetic tape cassette | Haruo Shiba, Takateru Sato | 1984-08-14 |
| 4404245 | Protective sheet for cassette holding magnetic recording tape | — | 1983-09-13 |
| 4376519 | Lubricant sheet for magnetic tape cassette | Hitoshi Azegami, Yoshio Kawakami | 1983-03-15 |
| 4349166 | Magnetic tape cassette | Kimio Tanaka | 1982-09-14 |
| 4347933 | Case for holding magnetic tape cassette | Kimio Tanaka | 1982-09-07 |