Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8120804 | Image processing system, image managing device, method, storage medium and image processing device | Takao Saka | 2012-02-21 |
| 5471440 | Magnetooptic apparatus with integrated detecting element providing signal with high S/N ratio | — | 1995-11-28 |
| 5420680 | Method for measuring refractive index and thickness of film and apparatus therefor | Tsuyoshi Nakayama | 1995-05-30 |
| 5235589 | Apparatus for recording and reproducing optical information and prism coupler | Kiyoshi Yokomori, Shigeyoshi Misawa, Syunsuke Fujita, Magane Aoki | 1993-08-10 |
| 5208800 | Mode splitter and magneto-optical signal detection device | Shigeyoshi Misawa, Kiyoshi Yokomori, Syunsuke Fujita, Magane Aoki, Yoshinobu Nakayama +1 more | 1993-05-04 |
| 5119452 | High efficiency prism coupling device and method for producing the same | Kiyoshi Yokomori, Yoshinobu Nakayama, Shigeyoshi Misawa, Syunsuke Fujita, Hiroyoshi Funato +1 more | 1992-06-02 |
| 5107105 | Method for measuring an unknown parameter of a thin film and apparatus therefor | — | 1992-04-21 |
| 5096298 | Method for measuring refractive index of thin film layer | — | 1992-03-17 |
| 5073026 | Method for measuring refractive index of thin film layer | — | 1991-12-17 |
| 5034617 | Method and apparatus for measuring refractive index and thickness of film | — | 1991-07-23 |
| 4983823 | Method for determining incident angle in measurement of refractive index and thickness | — | 1991-01-08 |
| 4932743 | Optical waveguide device | Kiyoshi Yokomori | 1990-06-12 |
| 4877301 | Covered optical waveguide having an inlet opening | Kiyoshi Yokomori | 1989-10-31 |