Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8658964 | Photoelectric encoder with optical grating | Emi Kaneko, Tatsuya Nagahama, Atsushi Usami | 2014-02-25 |
| 7298863 | In-vehicle speaker rotational mounting structure | Karebu Kirihara | 2007-11-20 |
| 7177438 | Speaker for vehicle and mounting structure of the speaker | Shogo Iwaya, Sukeyoshi Nakashima, Karebu Kirihara | 2007-02-13 |
| 6646748 | Surface profile measurement apparatus | Yoshio Saruki, Tatsuya Narumi, Yasushi Fukumoto | 2003-11-11 |
| 6407800 | Focus detection unit and optical measuring instrument having the same | Seiji Shimokawa, Kenji Okabe | 2002-06-18 |
| 6147758 | Projection measuring instrument | Kenji Okabe, Hiroshi Watabe | 2000-11-14 |
| 6128394 | Speaker apparatus and waterproof cover therefor | Fujio Hayakawa, Jun Yoshida, Ikuo Saga | 2000-10-03 |
| 5963366 | Focus detection unit and microscope using the focus detection unit | Yasushi Fukumoto, Yuwu Zhang | 1999-10-05 |
| 5909284 | Method and system for measuring an inner diameter of a hole formed in an object | — | 1999-06-01 |
| 5838809 | Speaker | Masanobu Sato, Fujio Hayakawa, Ikuo Saga | 1998-11-17 |
| 4899030 | High-power-density beam welding method in combination with upset welding and apparatus therefor | Yasunobu Miyazaki, Tohru Saito | 1990-02-06 |
| 4856965 | Control system of pumping operation using AC exciting generator-motor | Masahiro Katsuie, Michiyuki Abe, Katsuyuki Kawahara | 1989-08-15 |
| 4767907 | Method of igniting arcs by projection of ignition-plasma to the cathode | Tadayuki Otani, Tohru Saito | 1988-08-30 |
| 4692629 | Optical type measuring scanner | — | 1987-09-08 |
| 4639098 | Microscope | Tsutomu Aoyama, Naoyosi Terao, Hirohiko Shinonaga | 1987-01-27 |
| 4578017 | Method for stopping a multi-stage hydraulic machine | Katsuyuki Kawahara | 1986-03-25 |