Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8363879 | Speaker | — | 2013-01-29 |
| 8247930 | Acoustic exciter and speaker using it | — | 2012-08-21 |
| 8098876 | Speaker | — | 2012-01-17 |
| 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, Toshiaki Kawanishi | 2011-07-05 |
| 7647844 | Device and method of detecting flow rate/liquid kind, and device and method of detecting liquid kind | Toshiaki Kawanishi, Takayuki Takahata, Kenji Tomonari, Atsushi Koike, Akiko Kubota +1 more | 2010-01-19 |
| 7536900 | Leak detector and leak detecting system using the same | Toshimi Nakamura, Atsushi Koike, Kiyotaka Yanagi | 2009-05-26 |
| 7493802 | Liquid type identification device | Toshiaki Kawanishi, Takayuki Takahata | 2009-02-24 |
| 7469574 | Liquid type identifying method and liquid type identifying device | Toshiaki Kawanishi, Akiko Kubota | 2008-12-30 |
| 7377185 | Device and method of detecting flow rate/liquid kind, and device and method of detecting liquid kind | Toshiaki Kawanishi, Takayuki Takahata, Kenji Tomonari, Atsushi Koike, Akiko Kubota +1 more | 2008-05-27 |
| 7367711 | Type identification system for diesel oil and method for identifying type of diesel oil | Toshiaki Kawanishi, Takayuki Takahata | 2008-05-06 |
| 7350287 | Voice coil insertion jig, speaker producing method using the jig, and speaker produced by using the jig | — | 2008-04-01 |
| 7334455 | Leak detector of liquid in tank | Kiyotaka Yanagi, Atsushi Koike, Toshimi Nakamura, Hideshi Sekimori | 2008-02-26 |
| 7168300 | Gasoline identification system and method for identifying gasoline type | Toshiaki Kawanishi, Takayuki Takahata | 2007-01-30 |
| 7152582 | Gasoline type identifying system and method for identifying gasoline type | Takayuki Takahata, Toshiaki Kawanishi | 2006-12-26 |
| 7149323 | Speaker | — | 2006-12-12 |
| 7058532 | Flowmeter | Atsushi Koike, Takayuki Takahata, Hiromitsu Miyajima, Shinya Furuki | 2006-06-06 |
| 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, Toshiaki Kawanishi, Toshimi Nakamura, Takayuki Takahata | 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, Toshiaki Kawanishi, Toshimi Nakamura, Takayuki Takahata | 2005-12-13 |
| 6920778 | Device for detecting leakage of liquid in tank | Atsushi Koike, Takayuki Takahata, Toshimi Nakamura, Toshiaki Kawanishi | 2005-07-26 |
| 6851310 | Flowmeter | Toshimi Nakamura, Kenichi Hiraizumi, Atsushi Koike | 2005-02-08 |
| 6782743 | Flow metering method and flowmeter | Atsushi Koike, Shinya Furuki, Kenichi Hiraizumi | 2004-08-31 |
| 6681624 | Thermal flowmeter with fluid descriminant function | Shinya Furuki | 2004-01-27 |
| 6672154 | Flow rate sensor unit, flowmeter and flow sensor | Kenji Tomonari, Shinichi Inoue, Takayuki Takahata | 2004-01-06 |
| 6647777 | Flow rate sensor, flow meter, and discharge rate control apparatus for liquid discharge machines | Hirofumi Kotaka, Atsushi Koike, Toshiaki Kawanishi, Kenji Tomonari, Shinichi Inoue +2 more | 2003-11-18 |
| 6604417 | Flow sensor and strainer integrated flowmeter | Atsushi Koike, Kenichi Hiraizumi, Takayuki Takahata | 2003-08-12 |