Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7971425 | Urea concentration identifying system, method for indentifying urea concentration and automobile exhaust gas reducing system using same, and method for reducing automobile exhaust gas | Takayuki Takahata, Kiyoshi Yamagishi | 2011-07-05 |
| 7934868 | Thermal sensor and measurement device using the same | Akiko Kubota, Kenji Tomonari | 2011-05-03 |
| 7647844 | Device and method of detecting flow rate/liquid kind, and device and method of detecting liquid kind | Takayuki Takahata, Kenji Tomonari, Kiyoshi Yamagishi, Atsushi Koike, Akiko Kubota +1 more | 2010-01-19 |
| 7493802 | Liquid type identification device | Takayuki Takahata, Kiyoshi Yamagishi | 2009-02-24 |
| 7469574 | Liquid type identifying method and liquid type identifying device | Akiko Kubota, Kiyoshi Yamagishi | 2008-12-30 |
| 7377185 | Device and method of detecting flow rate/liquid kind, and device and method of detecting liquid kind | Takayuki Takahata, Kenji Tomonari, Kiyoshi Yamagishi, Atsushi Koike, Akiko Kubota +1 more | 2008-05-27 |
| 7367711 | Type identification system for diesel oil and method for identifying type of diesel oil | Takayuki Takahata, Kiyoshi Yamagishi | 2008-05-06 |
| 7168300 | Gasoline identification system and method for identifying gasoline type | Kiyoshi Yamagishi, Takayuki Takahata | 2007-01-30 |
| 7152582 | Gasoline type identifying system and method for identifying gasoline type | Takayuki Takahata, Kiyoshi Yamagishi | 2006-12-26 |
| 7028533 | Flow rate measuring method and flowmeter, flow rate measuring section package used for them and flow rate measuring unit using them, and piping leakage inspection device using flowmeter | Atsushi Koike, Toshimi Nakamura, Takayuki Takahata, Kiyoshi Yamagishi | 2006-04-18 |
| 6973827 | Flow rate measuring method and flowmeter, flow rate measuring section package used for them and flow rate measuring unit using them, and piping leakage inspection device using flowmeter | Atsushi Koike, Toshimi Nakamura, Takayuki Takahata, Kiyoshi Yamagishi | 2005-12-13 |
| 6920778 | Device for detecting leakage of liquid in tank | Atsushi Koike, Kiyoshi Yamagishi, Takayuki Takahata, Toshimi Nakamura | 2005-07-26 |
| 6779933 | Light-quantity adjusting apparatus and optical apparatus | Tatsuya Sato, Shigeo Nakashima | 2004-08-24 |
| 6670989 | Optical system driving control device and camera using the same | Masahiko Tsuzuki | 2003-12-30 |
| 6647777 | Flow rate sensor, flow meter, and discharge rate control apparatus for liquid discharge machines | Hirofumi Kotaka, Atsushi Koike, Kiyoshi Yamagishi, Kenji Tomonari, Shinichi Inoue +2 more | 2003-11-18 |
| 6588268 | Flow rate sensor, temperature sensor and flow rate detecting apparatus | Kiyoshi Yamagishi, Kenji Tomonari, Shinichi Inoue, Atsushi Koike | 2003-07-08 |
| 6467975 | Quantity-of-light adjusting device and optical apparatus having the same | Masahiko Tsuzuki, Youichi Iwasaki, Hidetomo Tanaka | 2002-10-22 |
| 6350068 | Quantity-of-light adjusting device and optical apparatus having the same | Masahiko Tsuzuki, Youichi Iwasaki, Hidetomo Tanaka | 2002-02-26 |
| 6086267 | Quantity-of-light adjusting device using base and blade apertures for light quality control | Masahiko Tsuzuki, Youichi Iwasaki, Hidetomo Tanaka | 2000-07-11 |
| 5886438 | Stepping motor having bobbin structure materially integrally formed with a bearing and a positioning portion | — | 1999-03-23 |
| 5825749 | Multiplex data communication system | Koji Terayama, Seiji Hirano, Toshifumi Ikeda, Hiroaki Sakamoto | 1998-10-20 |
| 5629941 | Multiplex transmission system | Koji Terayama | 1997-05-13 |
| 5606556 | Multiplex transmission system | Koji Terayama | 1997-02-25 |
| 5588002 | Multiplex transmission apparatus for supporting prioritized communications among a plurality of network nodes | Yoshikazu Nobutoki, Seiji Hirano, Koji Terayama | 1996-12-24 |
| 5546466 | Effect adding apparatus | Shiro Ishiguro, Masatoshi Watanuki, Kohtaro Hanzawa, Hiroyuki Sasaki, Jun Yoshino | 1996-08-13 |