Issued Patents All Time
Showing 26–50 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7532937 | Artificial inner ear and thermoelectric generator therefor | Yuma Horio, Takahisa Tachibana, Junya Suzuki | 2009-05-12 |
| 7390445 | Method of producing composite sheet having polyolefin foam layer | Kazuhiko Morita, Shinpei Arita | 2008-06-24 |
| 6697175 | Image reading apparatus and scanner using photoelectric conversion unit with limited pixel count to read images with high resolution and method thereof | Makoto Kumagai, Takayuki Nabeshima | 2004-02-24 |
| 6587224 | Image reading apparatus that can correct chromatic aberration caused by optical system and chromatic aberration correction method | Takayuki Nabeshima, Makoto Kumagai | 2003-07-01 |
| 6543573 | Speaker unit, speaker system, and speaker diaphragm manufacturing method | Yoshihisa Ishihara, Takeshi Aoki, Hirotoshi Kakuta | 2003-04-08 |
| 6492015 | Composite sheet having foamed polycarbonate resin layer and non-foamed polycarbonate resin layer | Takeshi Aoki, Yoshihisa Ishihara, Seiji Takahashi, Yoshiaki Momose | 2002-12-10 |
| 6461735 | Coated article | Masahiro Furuya, Yuji Yoshikawa, Masaaki Yamaya, Akira Yamamoto | 2002-10-08 |
| 6238066 | Two-dimensional area tilted illumination system having curved reflecting mirror | — | 2001-05-29 |
| 6198867 | Radiation-curable liquid resin composition and optical fiber | Akira Yamamoto, Shouhei Kozakai | 2001-03-06 |
| 6088146 | Scanning optical system and a scanning optical apparatus | Kenji Takeshita, Nobuo Kanai, Hiroki Kinoshita | 2000-07-11 |
| 5928776 | Composite material having polypropylene foam layer | Satoru Shioya, Takeshi Aoki, Hisao Tokoro | 1999-07-27 |
| 5623370 | Gradient index lens system | Toshihiko Ueda, Sanae Watanabe, Kazuharu Kagoshima, Keijiro Sakamoto | 1997-04-22 |
| 5371632 | Single aspherical plano-convex collimator lens | Toshio Naiki | 1994-12-06 |
| 5260792 | AGC circuit with 60 hertz hum compensation | Yoshikazu Toyoda, Takashi Hashimoto, Tokuji Iijima | 1993-11-09 |
| 5187509 | Illumination system for use in image projection apparatus | — | 1993-02-16 |
| 5138493 | Zoom lens system | — | 1992-08-11 |
| 5101299 | Zoom lens system | — | 1992-03-31 |
| 5095635 | Block for fixing the coordinate axes of material to be processed by an NC wire electro-spark processing machine | — | 1992-03-17 |
| 5062695 | Zoom lens system for use in a microfilm projection apparatus | — | 1991-11-05 |
| 5046838 | Illumination system for use in image projection apparatus | — | 1991-09-10 |
| 4938572 | Zoom lens system for use in microfilm projection apparatus | — | 1990-07-03 |
| 4926441 | Phase-shift-keying transmitter | — | 1990-05-15 |
| 4790638 | Lens system for projecting images of microfilm | Toshihiko Ueda, Kunihiko Konoma | 1988-12-13 |
| 4757178 | Base for setting materials to be processed by NC wire electro-spark processing machine | Hazime Sasaki, Yorimichi Hirako | 1988-07-12 |
| 4644396 | Gate circuit for central control of CATV system | — | 1987-02-17 |