Issued Patents All Time
Showing 1–25 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12057987 | Correction circuit and correction method | — | 2024-08-06 |
| 11226792 | Trigonometric function calculating device | Hirofumi Maruyama | 2022-01-18 |
| 10564225 | Battery monitoring system, signal transmission method, and semiconductor device for monitoring batteries | Hidekazu Kikuchi | 2020-02-18 |
| 10347817 | Lead-free piezoelectric ceramic composition, piezoelectric element using the same, and method of manufacturing lead-free piezoelectric ceramic composition | Hisashi KOZUKA, Hideto Yamada, Takayuki Matsuoka, Kazuaki Kitamura, Toshiaki Kurahashi +3 more | 2019-07-09 |
| 10340441 | Lead-free piezoelectric ceramic composition, piezoelectric element using the same, and method of manufacturing lead-free piezoelectric ceramic composition | Hisashi KOZUKA, Hideto Yamada, Takayuki Matsuoka, Kazuaki Kitamura, Toshiaki Kurahashi +3 more | 2019-07-02 |
| 10177581 | Semiconductor device and cell voltage equalization method for battery cell | — | 2019-01-08 |
| 9938197 | Unleaded piezoelectric ceramic composition, piezoelectric element using same, device, and method for manufacturing unleaded piezoelectric ceramic composition | Takayuki Matsuoka, Kazuaki Kitamura, Hisashi KOZUKA, Hideto Yamada, Toshiaki Kurahashi +3 more | 2018-04-10 |
| 9871187 | Lead-free piezo-electric porcelain composition, piezo-electric element using the same, and method for producing lead-free piezo-electric porcelain composition | Takayuki Matsuoka, Yoshiteru Honda, Kazuaki Kitamura, Hisashi KOZUKA, Toshiaki Kurahashi +3 more | 2018-01-16 |
| 9828296 | Lead-free piezoelectric ceramic composition, method for producing same, piezoelectric element using lead-free piezoelectric ceramic composition, ultrasonic processing machine, ultrasonic drive device, and sensing device | Takayuki Matsuoka, Kazuaki Kitamura, Hideto Yamada, Toshiaki Kurahashi, Katsuya Yamagiwa +1 more | 2017-11-28 |
| 9184577 | Electrical device | Hidenori Ueda, Emiko Baba | 2015-11-10 |
| 9006959 | Lead-free piezoelectric ceramic composition, piezoelectric element comprising same, knock sensor, and process for production of lead-free piezoelectric ceramic composition | Takayuki Matsuoka, Katsuya Yamagiwa, Kazushige Ohbayashi | 2015-04-14 |
| 8776628 | Transmission of motorcycle | — | 2014-07-15 |
| 8654407 | Multifunction apparatus | Hidenori Ueda | 2014-02-18 |
| 8649703 | Image formation apparatus having first and second exterior covers | — | 2014-02-11 |
| 8549736 | Component fixing device and electrical device having the same | Hidenori Ueda, Emiko Baba | 2013-10-08 |
| 8502435 | Piezoelectric ceramic composition and piezoelectric device | Kohei Ito, Katsuya Yamagiwa, Takeshi Mitsuoka | 2013-08-06 |
| 8453979 | Component fixing device and electrical device having the same | Hidenori Ueda, Emiko Baba | 2013-06-04 |
| 8342516 | Image reading apparatus and image forming system | — | 2013-01-01 |
| 8284569 | Shield casing and electronic apparatus | Michiaki Hiraoka | 2012-10-09 |
| 8237995 | Multifunction apparatus | Hidenori Ueda | 2012-08-07 |
| 8142679 | Piezoelectric ceramic composition and piezoelectric element made by using the same | Takayuki Matsuoka, Katsuya Yamagiwa, Takeshi Mitsuoka | 2012-03-27 |
| 8040024 | Piezoceramic material, piezoelectric element and non-resonance knock sensor | Hideaki Hiramitsu, Manabu Horiguchi, Yukihiro Hamaguchi, Katsuya Yamagiwa, Takeshi Mitsuoka +3 more | 2011-10-18 |
| 7871068 | Medium conveying apparatus with multiple conveying sections for continuously controlled feeding of a record medium | — | 2011-01-18 |
| 7808161 | Piezoelectric ceramic composition and piezoelectric device | Kohei Ito, Yasuhiro Fujii, Katsuya Yamagiwa, Takeshi Mitsuoka | 2010-10-05 |
| 7800511 | Emergency lighting system | James Hutchison | 2010-09-21 |