Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8007937 | Battery pack | Kazuhito Hatta, Masato Sato, Tsuyoshi Sugiyama, Hiroyuki Yamada, Koji Sakai +2 more | 2011-08-30 |
| 7122169 | Positive electrode material and nickel-zinc battery | Kenta Yamamoto, Osamu Takahashi, Kuniyasu Oya | 2006-10-17 |
| 6908707 | Positive electrode material and nickel-zinc battery | Kenta Yamamoto, Osamu Takahashi, Kuniyasu Oya | 2005-06-21 |
| 6686091 | Positive electrode material and nickel-zinc battery | Kenta Yamamoto, Osamu Takahashi, Kuniyasu Oya | 2004-02-03 |
| 6668007 | Laser apparatus | Masakazu Ukita, Masato Doi | 2003-12-23 |
| D464047 | Computer | Makoto Sagae | 2002-10-08 |
| D464048 | Computer | Makoto Sagae | 2002-10-08 |
| 5900619 | Optical device comprising a photodetector for detecting light scattered outside a diffraction limit of an objective lens | Chiaki Kojima | 1999-05-04 |
| D339647 | High intensity spotlight | Hiromichi Kawashima, Mamoru Furuya | 1993-09-21 |
| 5138218 | Metal vapor discharge lamp having single end arc tube of predetermined thickness | Atsushi Matsuura, Hisanori Sano, Yasuki Mori | 1992-08-11 |
| 5138229 | Single-sealed metal vapor electric discharge lamp | Atsushi Matsuura, Hisanori Sano | 1992-08-11 |
| 5136208 | Metal halide lamp maintaining a high lumen maintenance factor over an extended operation period | Hiromichi Kawashima, Youichiro Mitsuyuki, Yasuki Mori, Masakazu Shibuya, Mamoru Furuya | 1992-08-04 |
| 5122751 | Device for detecting residual capacity of a battery both in load and no load conditions | Takayuki Aita, Akira Sanpei, Hiroshi Ogata | 1992-06-16 |
| 5004951 | Single side-sealed metal vapor discharge lamp | Atsushi Matsuura, Hisanori Sano | 1991-04-02 |
| 4998036 | Metal vapor discharge lamp containing an arc tube with particular bulb structure | Atsushi Matsuura, Hisanori Sano, Shinji Inukai | 1991-03-05 |
| 4978887 | Single ended metal vapor discharge lamp with insulating film | Atsushi Matsuura, Shinji Inukai, Hisanori Sano | 1990-12-18 |
| 4973880 | Single end-sealed metal halide lamp | Atsushi Matsuura, Hisanori Sano | 1990-11-27 |
| 4965504 | Control apparatus for inverter for driving AC motor | Shigeta Ueda, Takashi Ikimi, Toshihiko Matsuda, Hiroshi Nagase, Nobuyoshi Mutoh | 1990-10-23 |
| 4926306 | Electric power converter | Shigeta Ueda, Mitsuyuki Hombu, Daisaku Morinaga | 1990-05-15 |
| 4827176 | Metal vapor discharge lamp with radioactively impregnated ceramic material body | Shinji Inukai, Akihiro Kamiya | 1989-05-02 |
| 4807245 | Distributed-feedback type semiconductor laser | Shoji Hirata | 1989-02-21 |
| 4757436 | Current-type converter protecting apparatus | Shigeta Ueda, Mitsuyuki Hombu, Takeki Ando, Kazuhiko Sasaki, Hideaki Takahashi | 1988-07-12 |
| 4721887 | Metal halide arc lamp having pinch seal with elongated space | Shinji Inukai | 1988-01-26 |
| 4678054 | Body frames | Yoshiaki Horii, Kinuo Hiramatsu, Shuhei Nakamoto, Takashi Kudo | 1987-07-07 |
| 4672520 | Current-source power converting apparatus with self-extinction devices | Shigeta Ueda, Mitsuyuki Hombu, Akiteru Ueda, Katsunori Suzuki, Seiya Shima | 1987-06-09 |