Issued Patents All Time
Showing 26–50 of 64 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D452453 | Audible signal for alarms | Yasunori Tsukuda | 2001-12-25 |
| D452182 | Audible signal for alarms | Mitsuhiro Masuda, Yasunori Tsukuda | 2001-12-18 |
| 6141430 | Electroacoustic transducer | Isao Fushimi | 2000-10-31 |
| 6111971 | Electroacoustic transducer | Isao Fushimi | 2000-08-29 |
| RE36828 | Electroacoustic transducer | Kazushige Tajima | 2000-08-22 |
| 6097828 | Electroacoustic transducer | Kazushi Suzuki, Kazushige Tajima | 2000-08-01 |
| 6023519 | Electroacoustic transducer | Kazushige Tajima, Takahiro Sone, Isao Fushimi | 2000-02-08 |
| 6011856 | Electroacoustic transducer and electronic equipment using the same | Naoyuki Kigawa, Takahiro Sone | 2000-01-04 |
| D415975 | Audible signal for an alarm unit | — | 1999-11-02 |
| 5974157 | Small electroacoustic transducer | Kazushige Tajima, Isao Fushimi | 1999-10-26 |
| RE36327 | Electroacoustic transducer and method of fabricating the same | Fumihito Ishimura, Takahiro Sone, Yasuharu Tsuchiya | 1999-10-05 |
| 5960096 | Electroacoustic transducer | Yoshiharu Oishi | 1999-09-28 |
| 5953437 | Electroacoustic transducer | Isao Fushimi, Naoyuki Kigawa, Kazushige Tajima, Kazushi Suzuki | 1999-09-14 |
| D411126 | Audible signal for an alarm unit | — | 1999-06-22 |
| D408822 | Electroacoustic transducer | Kazushige Tajima | 1999-04-27 |
| D408311 | Audible signal for alarm units | Takahiro Sone | 1999-04-20 |
| D407706 | Electroacoustic transducer | Kazushige Tajima, Takahiro Sone | 1999-04-06 |
| D405022 | Audible signal for alarm units | — | 1999-02-02 |
| D401881 | Electronic sounder | Takahiro Sone | 1998-12-01 |
| D401525 | Electronic sounder | Takahiro Sone, Katsuyuki Sano, Tomonari Suzuki | 1998-11-24 |
| D401590 | Electroacoustic transducer | Kazushige Tajima | 1998-11-24 |
| D401589 | Electroacoustic transducer | Takahiro Sone | 1998-11-24 |
| D401179 | Audible signal for alarm units | Takahiro Sone, Katsuyuki Sano, Tomonari Suzuki | 1998-11-17 |
| 5831938 | Lead terminal connection structure of an electroacoustic transducer | Takahiro Sone | 1998-11-03 |
| 5800663 | Terminal connection method of a coil and terminal connection structure of a coil | Kazushi Suzuki, Kazushige Tajima | 1998-09-01 |