Issued Patents All Time
Showing 126–150 of 171 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4904173 | Plastic molding device for a semiconductor element | Itaru Matsuo | 1990-02-27 |
| 4865823 | Method for recovering gallium | Yukinori Minagawa, Kunihiko Yamaguchi, Kazumasa Arai, Gouichi Muramatsu | 1989-09-12 |
| 4866767 | Subscriber line interface circuit | Hiroshi Tanimoto, Satoru Yoshida | 1989-09-12 |
| 4769924 | Liquid absorbing apparatus | Toyohiko Hikota, Shigeki Iwamoto, Tatsuo Kimura, Masao Masuda | 1988-09-13 |
| 4767475 | Wear resistant rails having capability of preventing propagation of unstable rupture | Kozo Fukuda, Tsunemi Wada, Shinichi Nagahashi, Yoshio Saito, Masahiro Ueda | 1988-08-30 |
| 4764954 | Automatic gain control in a loudspeaker telephone set | Masayuki Tsurusaki, Yasuji Sato, Takeshi Horiuchi, Hisashi Yamada, Akira Maekawa | 1988-08-16 |
| 4755124 | Plastic molding device for a semiconductor element | Itaru Matsuo | 1988-07-05 |
| 4740079 | Method of and apparatus for detecting foreign substances | Mitsuyoshi Koizumi, Yoshimasa Ohshima | 1988-04-26 |
| 4735563 | Apparatus for sealing a semiconductor element in a resin | Tethuya Uchida, Toru Kidera | 1988-04-05 |
| 4725925 | Circuit board | Kazuo Hirota, Akira Murata, Fumiuki Kobayashi, Takaji Takenaka | 1988-02-16 |
| 4707075 | Very-low-temperature fiberscope | Eiji Fukushima, Kazuo Sanada, Sadao Chigira | 1987-11-17 |
| 4689277 | Rare earth phosphor and radiographic image conversion screen | Yukinori Minagawa, Keiko Matsuo, Etsuo Shimizu | 1987-08-25 |
| 4684313 | Wrist device of industrial robot | Yoshihiko Minematsu, Masayuki Yamamoto, Kenichiro Sakamoto | 1987-08-04 |
| 4680552 | Apparatus for measuring impurities in super-pure water without exposure to surrounding atmosphere | Kozo Shirato, Kazuo Hiraizumi, Kazuyasu Kawashima, Shinya Okuyama, Masashi Kobayashi +5 more | 1987-07-14 |
| 4678932 | Snubber circuit for GTO thyristor | Yuzuru Yonehata | 1987-07-07 |
| 4673772 | Electronic circuit device and method of producing the same | Ryohei Satoh, Muneo Oshima, Suguru Sakaguchi, Akira Murata, Kazuo Hirota | 1987-06-16 |
| 4658416 | Automatic call transfer system capable of carrying out call transfer without manual operation | — | 1987-04-14 |
| 4634046 | Control system using combined closed loop and duty cycle control functions | — | 1987-01-06 |
| 4627786 | Industrial robot | Yoshihiko Minematsu, Kenichiro Sakamoto, Masayuki Yamamoto | 1986-12-09 |
| 4602150 | Locking and unlocking device | Makoto Nishikawa | 1986-07-22 |
| 4594106 | Spraying materials containing ceramic needle fiber and composite materials spray-coated with such spraying materials | Kazuhisa Niwano, Tetsunori Minato, Yastami Oka | 1986-06-10 |
| 4591492 | Method of manufacturing crystalline silicon carbide employing acid pretreated rice husks | Tadashi Kawabe, Masafumi Kobune | 1986-05-27 |
| 4561269 | Key-exchangeable lock | — | 1985-12-31 |
| 4536419 | Method for forming tapered films | Hitoshi Kubota, Susumu Aiuchi | 1985-08-20 |
| 4535009 | Method for producing a composite sheet material | Hideo Nakamura, Shunji Mizuguchi | 1985-08-13 |