Issued Patents All Time
Showing 76–100 of 100 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6191884 | Infrared-blocking transparent film | Tsuyoshi Takizawa | 2001-02-20 |
| 6172779 | Optical pickup device including a hologram lens section with an oval diffraction grating pattern | Masayuki Koyama | 2001-01-09 |
| 6168890 | Members for mask production, masks, and methods thereof for manufacturing same | — | 2001-01-02 |
| 6160646 | Optical pickup device including a holographic lens section with a double side cut circular diffraction grating pattern | Masayuki Koyama | 2000-12-12 |
| 6055076 | Optical pickup device including a hologram lens section with an ellipsoidal diffraction grating pattern concentrically and symmetrically formed with respect to an optical axis | Masayuki Koyama | 2000-04-25 |
| 6026070 | Optical pickup device | Akira Miura | 2000-02-15 |
| 5886819 | Antiglare material and polarizing film by using the same | Chikara Murata, Yukinori Sakumoto | 1999-03-23 |
| 5862118 | Optical pickup with an optical system controlled by an actuator with respect to one of the information recording layers | — | 1999-01-19 |
| 5855334 | Rectangular parallelepipedic case and method of producing the same | Hirofumi Abe, Akihisa Inoue | 1999-01-05 |
| 5787240 | Printer control apparatus converting video data from an external host to video data for a printer | Igor Hansen, Keiji Fujiwara, Atsushi Miki, Satoshi Fukui | 1998-07-28 |
| 5768027 | Coma aberration correcting method and apparatus in optical pickup | — | 1998-06-16 |
| 5746857 | Semi-transmissive semi-reflective film laminate and a method of production therefor | Chikara Murata, Mitsuhiro Yoshida | 1998-05-05 |
| 5629809 | Optical pickup for reproducing information on a disc | Toshihiko Kurihara, Taichi Akiba, Osamu Ueda | 1997-05-13 |
| 5506626 | Closed-caption decoder circuit having robust synchronization features | Yukihiro Yagi, Masayuki Nakaimuki, Jeff Huard | 1996-04-09 |
| 5469091 | Data slice circuit | Masayuki Nakaimuki, Yukihiro Yagi | 1995-11-21 |
| 5337299 | Optical information-reproducing apparatus using separately located photo detector assemblies | — | 1994-08-09 |
| 5224084 | Optical data recording and reproducing apparatus with plane parallel plate and diffraction grating | — | 1993-06-29 |
| 5206848 | Optical disk player having tilt servo control absent tilt sensor | Satoshi Kusano, Toshio Suzuki, Yuji Tawaragi, Noriko Obitsu | 1993-04-27 |
| 5185731 | Optical data recording and reproducing apparatus including optical detector for detecting light beams reflected by a plane parallel plate and then diffracted by a diffraction grating | — | 1993-02-09 |
| 5146719 | Space tension chord arch dome reinforced with tension members and method for building same | Masao Saito, Shigeru Ban, Yoshio Takita, Yoshiki Mihara | 1992-09-15 |
| 5065381 | Optical pick-up aparatus | — | 1991-11-12 |
| 4959934 | Elasto-plastic damper for use in structure | Toshikazu Yamada, Takuji Kobori, Mitsuo Sakamoto, Shozo Maeda | 1990-10-02 |
| 4791571 | Route bus service controlling system | Hisao Ishii, Kiyoshi Shinkawa, Takeshi Kawahara, Toshiyuki Manita | 1988-12-13 |
| 4725714 | Drip-type hot water feeder | Masaru Naya, Masayuki Kuzumaki | 1988-02-16 |
| D276419 | Passenger car | Tetsuya Mizuno, Yukio Kurosu | 1984-11-20 |