Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5982521 | Optical scanner | Takeshi Asano, Yasunori Kobayashi | 1999-11-09 |
| 5061071 | Method and apparatus for detecting surface condition by utilizing optical heterodyne interference | Kazuhiko Fujita | 1991-10-29 |
| 4995726 | Surface profile measuring device utilizing optical heterodyne interference | Kazuhiko Fujita | 1991-02-26 |
| 4978219 | Surface roughness measuring apparatus utilizing deflectable laser beams | — | 1990-12-18 |
| 4912530 | Optical heterodyne measuring apparatus | — | 1990-03-27 |
| 4905311 | Optical surface roughness measuring apparatus with polarization detection | Motohito Hino, Michio Kondo | 1990-02-27 |
| 4882479 | Optical rotary encoder using dual frequency beat difference | Motohito Hino | 1989-11-21 |
| 4865407 | Optical waveguide element, method of making the same and optical coupler employing optical waveguide element | Akihiro Suzuki, Makoto Suzuki, Yutaka Hattori, Kazuyuki Miyaki, Masayuki Yoshida +1 more | 1989-09-12 |
| 4852106 | Optical system for producing controlled beat frequency | Motohito Hino | 1989-07-25 |
| 4498403 | Programming device for an automatic sewing machine | Toshiaki Yanagi | 1985-02-12 |
| 4444135 | Programming device for an automatic sewing machine | Toshiaki Yanagi | 1984-04-24 |