Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12218161 | Optical sensor, optical sensor unit, optical sensor device, and information terminal device | Hideaki Fukuzawa, Tomohito Mizuno, Tetsuya Shibata | 2025-02-04 |
| 7994893 | Varistor | — | 2011-08-09 |
| 7995326 | Chip-type electronic component | Kaname Ueda, Naoki Chida, Izuru Soma, Hisayoshi Saito, Katsunari Moriai | 2011-08-09 |
| 7969277 | Nonlinear resistor ceramic composition, electronic component, and multilayer chip varistor | — | 2011-06-28 |
| 7754109 | Varistor element | Naoyoshi Yoshida, Hitoshi Tanaka | 2010-07-13 |
| 7724123 | Varistor and method of producing varistor | Yo Saito, Izuru Soma, Hideaki Sone | 2010-05-25 |
| 7705708 | Varistor and method of producing the same | Yo Saito | 2010-04-27 |
| 7683753 | Voltage non-linear resistance ceramic composition and voltage non-linear resistance element | Naoyoshi Yoshida, Hitoshi Tanaka | 2010-03-23 |
| 7652554 | Multilayer filter | Katsunari Moriai, Takahiro Sato | 2010-01-26 |
| 7649435 | Multilayer chip varistor | Katsunari Moriai, Yo Saito | 2010-01-19 |
| 7646578 | Filter circuit and filter device | Yuji Terada, Koichi Ishii | 2010-01-12 |
| 7639470 | Varistor element | Yo Saito, Izuru Soma, Hideaki Sone | 2009-12-29 |
| 7576965 | Surge absorption element and surge absorption circuit | Yuji Terada, Naoki Chida | 2009-08-18 |
| 7507356 | Voltage non-linear resistance ceramic composition and voltage non-linear resistance element | Naoyoshi Yoshida, Hitoshi Tanaka | 2009-03-24 |
| 7505239 | Light emitting device | Jitsuo Kanazawa, Nobuei Shimojo, Kimio Suto, Makoto Numata, Yo Saito | 2009-03-17 |
| 7502213 | Surge absorber | Yuji Terada, Katsunari Moriai | 2009-03-10 |
| 7400485 | Surge absorber | Naoki Chida, Yuji Terada, Koichi Ishii, Takeshi Yanata | 2008-07-15 |
| 7167352 | Multilayer chip varistor | Katsunari Moriai, Takehiko Abe, Koichi Ishii | 2007-01-23 |
| 6813137 | Chip shaped electronic device and a method of producing the same | Hidetaka Kitamura, Tadashi Ogasawara | 2004-11-02 |
| 6432325 | Electrode | Munemitsu Hamada, Akira Takeishi, Makoto Takahashi, Masatada Yodogawa, Hiraku Harada | 2002-08-13 |
| 6383416 | Electron-emitting material and preparing process | Munemitsu Hamada, Akira Takeishi, Makoto Takahashi, Masatada Yodogawa, Hiraku Harada | 2002-05-07 |
| 6218928 | PTC thermistor material | Masuo Okada, Takahiro Sawaguchi, Masatada Yodogawa | 2001-04-17 |
| 5994995 | Laminated chip varistor and production method thereof | Tadashi Ogasawara, Kaneo Mori, Masaaki Taniguchi, Masahiko Konno | 1999-11-30 |
| 5640136 | Voltage-dependent nonlinear resistor | Masatada Yodogawa, Toshiyuki Yamazaki, Hitomi Naitou, Masahito Furukawa | 1997-06-17 |
| 5635436 | Voltage-dependent nonlinear resistor ceramics | Masaru Fukuda, Tadashi Ogasawara, Toshio Marui | 1997-06-03 |