Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12169030 | Piezoelectric valve | Takafumi Ito | 2024-12-17 |
| 12004430 | Piezoelectric valve and method of manufacturing the piezoelectric valve | Takafumi Ito, Tadashi Matsushita, Toshiro Higuchi, Yoshinobu Mizuno | 2024-06-04 |
| 11982368 | Piezoelectric actuator, piezoelectric valve, and method of manufacturing piezoelectric actuator | Takafumi Ito, Tadashi Matsushita, Toshiro Higuchi, Kunio Ebihara, Toshitada Hirata | 2024-05-14 |
| 11985900 | Displacement magnifying mechanism, polishing device, actuator, dispenser, and air valve | Takeshi Yano, Akio Yano | 2024-05-14 |
| 11959559 | Valve control device, drive control device, and fluid control device | Takeshi Yano, Akio Yano | 2024-04-16 |
| 11808373 | Piezoelectric valve and method for manufacturing piezoelectric valve | Takafumi Ito, Tadashi Matsushita, Toshiro Higuchi, Yoshinobu Mizuno, Toshitada Hirata | 2023-11-07 |
| 11471074 | Middle ear sound transmission characteristics evaluation system, middle ear sound transmission characteristics evaluation method, and measuring probe | Takuji Koike, Yuuka Irie, Sho Kanzaki, Takenobu Higo, Masaaki Hayashi | 2022-10-18 |
| 10738905 | Piezoelectric valve, method for driving piezoelectric valve, and optical particulate separator equipped with air-jet means using piezoelectric valve | Takafumi Ito, Hironori ARII, Tadashi Matsushita, Takeshi Yano, Toshiro Higuchi | 2020-08-11 |
| 10525508 | Blowing apparatus including piezoelectric valve and optical granular material sorting machine using the blowing apparatus | Takafumi Ito | 2020-01-07 |
| 9816638 | Valve attachment structure and fluid apparatus to which valve is attached | Takafumi Ito, Yoichi Kawamura, Tadashi Matsushita, Toshitada Hirata, Yoshinori Kawawa | 2017-11-14 |
| D788266 | Ejector valve | Takafumi Ito, Toshitada Hirata, Toshiro Higuchi | 2017-05-30 |
| D758453 | Nozzle apparatus | Takafumi Ito, Yoshinori Kawawa, Toshitada Hirata, Toshiro Higuchi | 2016-06-07 |
| 9114430 | Piezoelectric valve, and optical particulate matter sorter provided with air-blowing means that uses piezoelectric valve | Takafumi Ito, Teruhiko Takeuchi, Tadashi Matsushita, Takeshi Yano, Takeshi Kamima +1 more | 2015-08-25 |
| 9097359 | Piezoelectric valve, and optical granulated substance sorter equipped with air-blowing means that uses this piezoelectric valve | Takafumi Ito, Takeshi Yano, Takeshi Kamima, Toshitada Hirata, Toshiro Higuchi | 2015-08-04 |
| 8833566 | Optical granular material-sorting apparatus utilizing piezoelectric valve | Takafumi Ito, Teruhiko Takeuchi, Takeshi Yano, Toshiro Higuchi | 2014-09-16 |
| 8662312 | Piezoelectric valve and optical granular material-sorting apparatus utilizing such piezoelectric valve | Takafumi Ito, Teruhiko Takeuchi, Takeshi Yano, Toshiro Higuchi | 2014-03-04 |
| 8552620 | Method of measuring and evaluating mechanical outputs of piezoelectric actuators, controlling method of the same, and apparatus using those methods | Takeshi Yano, Kazuo Yakuwa, Akio Yano, Toshiro Higuchi | 2013-10-08 |
| 7360750 | Piezoelectric air valve and multiple-type piezoelectric air valve | Takeshi Yano, Toshiro Higuchi, Kenichi Kudoh, Tsunehiko Shibata, Norimasa Ikeda | 2008-04-22 |