Issued Patents All Time
Showing 26–50 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5521637 | Solid state image pick-up apparatus for converting the data clock rate of the generated picture data signals | Takashi Asaida | 1996-05-28 |
| 5481363 | Positional deviation detecting method | Masakazu Matsugu, Kenji Saitoh, Sakae Houryu | 1996-01-02 |
| 5291160 | Filter arrangement including a non-reversible circuit element, a band-pass filter, and an active circuit | Youhei Ishikawa, Toshio Nishikawa | 1994-03-01 |
| 5225892 | Positional deviation detecting method | Masakazu Matsugu, Kenji Saito | 1993-07-06 |
| 5157481 | Registration and contour correction circuit and method for solid-state camera | Naoki Kashimura, Kazuhiro Ban, Yoshiro Aoyagi | 1992-10-20 |
| 5148035 | Position detecting method and apparatus | Shigeyuki Suda | 1992-09-15 |
| 5132651 | Filter apparatus | Youhei Ishikawa, Toshio Nishikawa | 1992-07-21 |
| 5119034 | Method of measuring dielectric material constants and measuring device employed therefor | Youhei Ishikawa, Hidekazu Wada, Hiroyuki Kubo, Taiyo Nishiyama | 1992-06-02 |
| 5103298 | Error correction method and circuit for nonlinear quantization circuit | Naoki Kashimura, Eiji Nakamura | 1992-04-07 |
| 5081224 | Process for production of olefin-terminated polyesters | Hiroshi Ando, Kazumasa HASHIMOTO, Kazuya Yonezawa | 1992-01-14 |
| 5054898 | Compact high-range varifocal objectives | Nozomu Kitagishi, Hiroki Nakayama, Shigeyuki Suda, Akihisa Horiuchi | 1991-10-08 |
| 5011272 | Compact zoom lens | Hiroki Nakayama, Nozomu Kitagishi, Shigeyuki Suda, Akihisa Horiuchi | 1991-04-30 |
| 5004328 | Spherical lens and imaging device using the same | Masayuki Suzuki | 1991-04-02 |
| 4964703 | Image-forming lens | Shigeyuki Suda | 1990-10-23 |
| 4916417 | Microstripline filter | Youhei Ishikawa, Hideyuki Kato | 1990-04-10 |
| 4907866 | Objective of variable focal length | Nozomu Kitagishi, Hiroki Nakayama, Shigeyuki Suda, Akihisa Horiuchi | 1990-03-13 |
| 4859040 | Optical system having gradient-index lens and method for correcting aberrations | Nozomu Kitagishi | 1989-08-22 |
| 4848882 | Gradient index lens | Masayuki Suzuki | 1989-07-18 |
| 4842386 | Variable focal length objective | Nozomu Kitagishi, Hiroki Nakayama, Shigeyuki Suda, Akihisa Horiuchi | 1989-06-27 |
| 4810070 | Lens system having a good image performance for white light | Shigeyuki Suda, Nozomu Kitagishi, Hiroki Nakayama, Akihisa Horiuchi | 1989-03-07 |
| 4776679 | Objective of variable focal length | Nozomu Kitagishi, Hiroki Nakayama, Shigeyuki Suda, Akihisa Horiuchi | 1988-10-11 |
| 4762403 | Imaging optical system having a distributed index lens | — | 1988-08-09 |
| 4755039 | Focusing lens | — | 1988-07-05 |
| 4749265 | Zoom lens | Tsunefumi Tanaka | 1988-06-07 |
| 4727342 | Dielectric resonator | Youhei Ishikawa | 1988-02-23 |