Issued Patents All Time
Showing 26–50 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6989569 | MOS transistor with a controlled threshold voltage | Toshiro Hiramoto | 2006-01-24 |
| 6829118 | Optical rotational position information detecting apparatus | Naoki Kawamata | 2004-12-07 |
| 6631047 | Interference device, position detecting device, positioning device and information recording apparatus using the same | Kou Ishizuka, Hidejiro Kadowaki, Naoki Kawamata, Hiroyuki Hagiwara, Shigeki Kato +1 more | 2003-10-07 |
| 6280434 | Angiographic catheter | Yasushi Kinoshita | 2001-08-28 |
| 6259531 | Displacement information measuring apparatus with hyperbolic diffraction grating | Hidejiro Kadowaki, Kou Ishizuka, Yasushi Kaneda | 2001-07-10 |
| 6151185 | Position detecting apparatus, positioning apparatus, and information recording apparatus using the same | Kou Ishizuka, Hidejiro Kadowaki | 2000-11-21 |
| 6034761 | Displacement information measuring apparatus | — | 2000-03-07 |
| 6005667 | Optical displacement measurement apparatus and information recording apparatus | Kou Ishizuka | 1999-12-21 |
| 5926276 | Apparatus having an afocal lens system used in optical measurement of displacement | Shigeki Kato | 1999-07-20 |
| 5831720 | Velocimeter, signal processing method, and driving system using the same | Yasuhiko Ishida | 1998-11-03 |
| 5828387 | Recording apparatus with compensation for variations in feeding speed | Masafumi Wataya, Toshiyuki Yanaka, Hidejiro Kadowaki, Ken Tsuchii, Haruhiko Takahashi +1 more | 1998-10-27 |
| 5815267 | Displacement information measuring apparatus in which a light-receiving condition on a photodetector is adjustable | Shigeki Kato | 1998-09-29 |
| 5812250 | Doppler velocimeter and various kinds of apparatuses for signal processing thereof | Yasuhiko Ishida, Hidejiro Kadowaki, Jun Ashiwa, Shigeki Kato, Shinji Ueda | 1998-09-22 |
| 5796470 | Frequency shifter and optical displacement measuring apparatus using the frequency shifter | Shinji Ueda, Hidejiro Kadowaki, Shigeki Kato | 1998-08-18 |
| 5774218 | Laser Doppler velocimeter with electro-optical crystal | Hidejiro Kadowaki | 1998-06-30 |
| 5754282 | Optical device detecting displacement information using a device for frequency-shifting an incident beam and a system for reducing beam diameter in an application direction | Shigeki Kato | 1998-05-19 |
| 5737116 | Frequency shifter and optical displacement measuring apparatus using the same | Hidejiro Kadowaki, Shigeki Kato | 1998-04-07 |
| 5696578 | Frequency tracking method and apparatus, and Doppler velocity meter using the same | Yasuhiko Ishida, Hidejiro Kadowaki, Jun Ashiwa, Shigeki Kato, Shinji Ueda | 1997-12-09 |
| 5640239 | Optical device and displacement information measurement apparatus using the same | Hidejiro Kadowaki | 1997-06-17 |
| 5629793 | Frequency shifter and optical displacement measurement apparatus using the same | Hidejiro Kadowaki | 1997-05-13 |
| 5589858 | Information recording apparatus | Hidejiro Kadowaki, Hiroshi Sugiyama, Yasuhiko Ishida | 1996-12-31 |
| 5557407 | Measuring apparatus having a diffraction grating for receiving a diverged light beam | Hidejiro Kadowaki | 1996-09-17 |
| 5552879 | Doppler velocimeter | Hidejiro Kadowaki, Yasuhiko Ishida, Jun Ashiwa, Shigeki Kato, Shinji Ueda | 1996-09-03 |
| 5530462 | Recovery technique for ink jet recording apparatus | Haruhiko Takahashi, Hidejiro Kadowaki, Ken Tsuchii, Masafumi Wataya, Toshiyuki Yanaka +1 more | 1996-06-25 |
| 5512924 | Jet apparatus having an ink jet head and temperature controller for that head | Yoshihiro Takada, Akio Suzuki, Masami Izumizaki, Ken Tsuchii, Hidejiro Kadowaki +7 more | 1996-04-30 |