Issued Patents All Time
Showing 126–150 of 156 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5400155 | Hologram information forming method | Akihiko Ueda, Hirokuni Monzen, Hirokazu Aritake, Masato Nakashima | 1995-03-21 |
| 5343161 | Power amplifier apparatus | Akio Tokumo | 1994-08-30 |
| 5278627 | Apparatus for calibrating pulse oximeter | Takuo Aoyagi, Masayoshi Fuse, Yoshiaki Shindo | 1994-01-11 |
| 5224082 | Method for detecting tracking error in optical disk system and its optical system devices thereof | Kaneyuki Kurokawa, Satoshi Maeda, Fumio Yamagishi, Hiroyuki Ikeda | 1993-06-29 |
| 5187597 | Display unit | Junji Tomita, Tsuyoshi Matsumoto, Hirokazu Aritake, Shin Eguchi | 1993-02-16 |
| 5165866 | Bellows pump | — | 1992-11-24 |
| 5153490 | Numerical control apparatus of machines | Toshihiro Ueta, Ikuo Kuribayashi, Jun Fujita | 1992-10-06 |
| 5077803 | Biological detecting system and fingerprint collating system employing same | Takashi Shinzaki, Seigo Igaki, Fumio Yamagishi, Hiroyuki Ikeda | 1991-12-31 |
| 4992749 | Pulse-width modulating amplifier circuit | Akio Tokumo, Takeshi Sato, Tatsuzo Hasegawa | 1991-02-12 |
| 4968108 | Method for constructing and reconstructing hologram | Hiroyuki Ikeda, Fumio Yamagishi, Shunji Kitagawa, Takefumi Inagaki | 1990-11-06 |
| 4968948 | Pulse width modulation amplifier circuit | Akio Tokumo, Takeshi Sato, Tatsuzo Hasegawa | 1990-11-06 |
| 4957336 | Laser beam scanner and its fabricating method | Shin Hasegawa, Fumio Yamagishi, Hiroyuki Ikeda, Takefumi Inagaki | 1990-09-18 |
| 4952884 | Pulse width modulation amplifier circuit | Akio Tokumo, Takeshi Sato, Tatsuzo Hasegawa | 1990-08-28 |
| 4949048 | Pulse width modulation amplifier circuit | Akio Tokumo, Takeshi Sato, Tatsuzo Hasegawa | 1990-08-14 |
| 4912170 | Process for producing a modified styrene polymer | Tadashi Niwa, Yoshio Taguchi, Chihiro Imai, Tokuo Makishima, by Nobuko Makishima, legal representative | 1990-03-27 |
| 4864246 | Mobile automatic volume control apparatus | Shinjiro Kato, Fumio Tamura | 1989-09-05 |
| D302261 | Automobile tire | — | 1989-07-18 |
| D301856 | Automobile tire | — | 1989-06-27 |
| 4832464 | Optical system with grating lens assembly for correcting wavelength aberrations | Satoshi Maeda, Fumio Yamagishi, Hiroyuki Ikeda, Takefumi Inagaki | 1989-05-23 |
| 4824191 | Optical pickup | Fumio Yamagishi, Shin Hasegawa, Hiroyuki Ikeda, Takefumi Inagaki | 1989-04-25 |
| 4788261 | Polyarylene sulfide resin composition | Yoshio Taguchi, Youichi IMAI, Tadashi Niwa, Chihiro Imai | 1988-11-29 |
| 4742310 | Automatic sound volume controlling device for use in automotive vehicle | Makoto Odaka, Yoshio Sasaki | 1988-05-03 |
| 4739513 | Method and apparatus for measuring and correcting acoustic characteristic in sound field | Yoshiro Kunugi, Shinichi Suzuki, Akio Tokumo, Toshikazu Yoshimi, Takeshi Sato | 1988-04-19 |
| 4704438 | Novel styrene copolymer | Tadashi Niwa, Yoshio Taguchi, Chihiro Imai | 1987-11-03 |
| 4694498 | Automatic sound field correcting system | Shinichi Suzuki, Akio Tokumo, Yoshiro Kunugi | 1987-09-15 |