Issued Patents All Time
Showing 176–187 of 187 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5694218 | Optical encoder including a plurality of phase adjusting gratings | Kanji Nishii, Kenji Takamoto, Masami Ito, Kazumasa Takata | 1997-12-02 |
| 5661295 | Optical encoder with dual diffraction gratings | Kanji Nishii, Kenji Takamoto, Masami Ito | 1997-08-26 |
| 5627678 | Fourier transform optical apparatus and optical information | Kanji Nishii, Kenji Takamoto, Masami Ito | 1997-05-06 |
| 5579136 | Optical information processor employing a phase type spatial light modulator | Kanji Nishii, Masami Ito | 1996-11-26 |
| 5532823 | Method of measuring optical characteristics of liquid crystal cells, measurement equipment therefor and method for manufacturing liquid crystal devices | Kanji Nishii, Kenji Takamoto, Masami Ito | 1996-07-02 |
| 5526191 | Fourier transform lens assembly | Kanji Nishii, Masami Ito | 1996-06-11 |
| 5497433 | Optical information processing apparatus and method for using computer generated hologram | Masami Itoh, Kanji Nishii, Hiroyuki Kawamura | 1996-03-05 |
| 5386378 | Optical information processing apparatus and method using computer generated hologram | Masami Itoh, Kanji Nishii, Hiroyuki Kawamura | 1995-01-31 |
| 5383056 | Fourier transform lens assembly and optical information processor employing same | Kanji Nishii, Masami Ito | 1995-01-17 |
| 5343415 | Logarithmic polar coordinate transforming method, vision recognizing method, and optical information processing apparatus | Masami Itoh, Kanji Nishii, Hiroyuki Kawamura | 1994-08-30 |
| 5153437 | Optical encoder having a transparent lens plate with an array of lenses | Kanji Nishii, Hiroyuki Kawamura, Masami Ito | 1992-10-06 |
| 5119214 | Method for forming a computer generated hologram | Kanji Nishii, Hiroyuki Kawamura, Masami Itoh | 1992-06-02 |