Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7432497 | Absolute linear encoder | Mikiya Teraguchi | 2008-10-07 |
| 7225555 | Linear scale attachment device and attachment method | Hiroaki Kawada, Hiroatsu Mori | 2007-06-05 |
| 6635863 | Optical encoder | Shingo Nihommori, Toru Yaku | 2003-10-21 |
| 6082341 | Supercharger for engine | Nobukatsu Arai, Tsutomu Okazaki, Tetsuo Udagawa | 2000-07-04 |
| 5961291 | Turbo vacuum pump with a magnetically levitated rotor and a control unit for displacing the rotator at various angles to scrape deposits from the inside of the pump | Masahiro Mase, Chiaki Urano, Shinji Koyano, Yuichi Kinoshita, Takashi Nagaoka | 1999-10-05 |
| 5536148 | Turbo vacuum pump | Akira Nishiuchi, Masahiro Mase, Noboru Matsumura, Katsuaki Kikuchi, Takashi Nagaoka | 1996-07-16 |
| 5501583 | Turbo vacuum pump | Takashi Nagaoka, Shinjiro Ueda, Akira Nishiuchi, Hirofumi Sakurai | 1996-03-26 |
| 5451147 | Turbo vacuum pump | Shinjiro Ueda, Masahiro Mase, Takashi Nagaoka | 1995-09-19 |
| 5380171 | Turbo vacuum pump | Takashi Nagaoka, Shinjiro Ueda, Akira Nishiuchi, Hirofumi Sakurai | 1995-01-10 |
| 5020969 | Turbo vacuum pump | Masahiro Mase, Takeshi Okawada, Shinjiroo Ueda, Yoshihisa Awada, Takashi Nagaoka | 1991-06-04 |
| 4985623 | Diffraction-type optical encoder with improved detection signal insensitivity to optical grating gap variations | Souji Ichikawa, Hideki Oka, Naoyoshi Terao | 1991-01-15 |
| 4983825 | Diffraction type optical encoder with improved detection signal insensitivity to optical grating gap variations | Souji Ichikawa, Hideki Oka, Naoyoshi Terao | 1991-01-08 |
| 4943716 | Diffraction-type optical encoder with improved detection signal insensitivity to optical grating gap variations | Souji Ichikawa, Hideki Oka, Naoyoshi Terao | 1990-07-24 |
| 4603480 | Linear scale type displacement measuring instrument | — | 1986-08-05 |
| 4500097 | Seal device in displacement measuring instrument | Hitoshi Sakamoto, Shigeru Nagashima | 1985-02-19 |
| 4377911 | Contour measuring instrument | Jynichi Iida | 1983-03-29 |
| 4376543 | Dust excluding device | — | 1983-03-15 |