Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5883158 | Process for producing improved super absorbent polymer | Hiromi Nambu, Akira Umada, Tadashi Igarashi, Takayuki Amiya | 1999-03-16 |
| D380132 | Portable electric hammer drill | Naoki Matsunaga, Hideaki Hasegawa, Toshiaki Takagi, Seiichi Kodato | 1997-06-24 |
| 5592314 | Tunable wavelength filter formed by 2 lcds in series having opposite twist angles of n*.pi./2 and a dielectric mirror layer on each substrate | Yasuyuki Ogasawara | 1997-01-07 |
| 5532990 | Optical information processing method and apparatus including measuring and correcting the offset of a tracking error signal from an output of a photodetector using a vibrating objective lens | Osamu Koyama, Tadashi Kato, Masayuki Usui, Hisatoshi Baba, Hirotake Ando +3 more | 1996-07-02 |
| 5517475 | Optical information processing apparatus in which the offset of a tracking error signal is corrected in accordance with a relationship stored in a memory, in response to a position detection output signal | Osamu Koyama, Tadashi Kato, Masayuki Usui, Hisatoshi Baba, Hirotake Ando +3 more | 1996-05-14 |
| 5456324 | Percussion hammer | Toshiaki Takagi | 1995-10-10 |
| 5419933 | Annular article-wrapping member and method of making same | Masamitsu Tsukada, Kiyoshi Murata, Yasushi Ota | 1995-05-30 |
| 5404346 | Optical information processing apparatus including a correction circuit for correcting non-linearity of an output of a position detection circuit | Osamu Koyama, Tadashi Kato, Masayuki Usui, Hisatoshi Baba, Hirotake Ando +3 more | 1995-04-04 |
| 5394387 | Information recording/reproducing method | — | 1995-02-28 |
| 5347503 | Optical information processing apparatus for correcting linearity of a photosensor output with respect to power of an emitted light beam | Osamu Koyama, Tadashi Kato, Masayuki Usui, Hisatoshi Baba, Hirotake Ando +3 more | 1994-09-13 |
| 5346023 | Slipping torque changing apparatus for impact tool | Toshiaki Takagi | 1994-09-13 |
| D349029 | Portable elecrtric hammer drill | Naoki Matsunaga, Hideaki Hasegawa, Toshiaki Takagi | 1994-07-26 |
| 5287339 | Optical information processing apparatus for holding a lens at a predetermined position along a tracking path at pulling-in of focusing control | — | 1994-02-15 |
| 5203137 | Annular article-wrapping member and method of making same | Masamitsu Tsukada, Kiyoshi Murata, Yasushi Ota | 1993-04-20 |
| 5204943 | Image forming apparatus | Kenjiro Fujita, Yasuro Takiura | 1993-04-20 |
| 5186989 | Annular article-wrapping member and method of making same | Masamitsu Tsukada, Kiyoshi Murata, Yasushi Ota | 1993-02-16 |
| 5129467 | Electric hammer drill having dust collecting device | Yasuki Ohmori, Masaaki Sekizawa | 1992-07-14 |
| 5058176 | Image diagnosis apparatus | Toru Shimazaki, Keiki Yamaguchi, Noriaki Yamada | 1991-10-15 |
| 4837115 | Thermoplastic polyester composition having improved flavor-retaining property and vessel formed therefrom | Reiko Igarashi, Sadao Hirata | 1989-06-06 |
| 4820795 | Polyester vessel and package | Sadao Hirata | 1989-04-11 |
| 4733187 | NMR imaging apparatus | Toru Shimazaki, Yasuo Imanishi | 1988-03-22 |
| 4730262 | Method of displaying the scanning schedule in a computer tomographic apparatus | Yoshikazu Ogawa, Akimoto Nakase | 1988-03-08 |
| 4700138 | Automatic gain control apparatus for NMR imaging system | Toru Shimazaki, Hideto Iwaoka | 1987-10-13 |
| 4336847 | Percussion drill | Koshichi Ito | 1982-06-29 |