Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11344958 | Cutting insert | — | 2022-05-31 |
| 10420195 | Lighting fixture | Satoru SAKURAI, Koji Matsushita, Toshizumi OKADA, Ryousuke IJICHI, Yuzuru Tanaka | 2019-09-17 |
| 9546093 | Minute diamond powder, method for collecting the same and slurry comprisng the same in suspension | Youichi Morita, Tatsuya Takimoto, Hiroshi Yamanaka, Hisao Shirasawa, Hiroshi Ishizuka | 2017-01-17 |
| 9287249 | Semiconductor device | Tomohiro Kinoshita, Eiji Takahashi, Kazuhide Uriu | 2016-03-15 |
| 9103790 | Linker for unimolecular FRET biosensor based on principle of fluorescence resonance energy transfer | Michiyuki Matsuda, Kazuhiro Aoki, Yuji Kamioka, Hiroko Yukinaga, Yoshie Inaoka +3 more | 2015-08-11 |
| 8593077 | High-voltage discharge lamp lighting device and lighting fixture | Jun Kumagai | 2013-11-26 |
| 8531124 | High pressure discharge lamp lighting device and illumination instrument | Jun Kumagai | 2013-09-10 |
| 8410196 | Surface-modified nanodiamond and its producing method | Masaaki Ito | 2013-04-02 |
| 8395327 | High-pressure discharge lamp lighting device and lighting fixture using the same | Jun Kumagai, Satoru Nagata, Keisuke Sato | 2013-03-12 |
| 8330382 | Electronic ballast for correcting asymmetrical current flow across a gas discharge lamp | — | 2012-12-11 |
| 8290451 | Noise reduction circuit for canceling leakage signal | Hideki Iwaki, Toru Yamada | 2012-10-16 |
| 8232741 | Electronic ballast with controlled lamp preheating | Daisuke Yamahara | 2012-07-31 |
| 8232746 | High pressure discharge lamp lighting device and lighting fixture using the same | Akira Yufuku, Hiroyasu Eriguchi, Takeshi Goriki, Takeshi Kamoi, Jun Kumagai +3 more | 2012-07-31 |
| 8228006 | High pressure discharge lamp lighting device and lighting fixture using the same | Hiroyasu Eriguchi, Takeshi Goriki, Takeshi Kamoi, Jun Kumagai, Akira Yufuku +3 more | 2012-07-24 |
| 8222830 | Discharge lamp lighting device, lighting fixture, and lighting system | Satoru Nagata, Jun Kumagai | 2012-07-17 |
| 8222835 | Electronic ballast with adjustable filament preheating based on output current symmetry | — | 2012-07-17 |
| 8143796 | Electronic ballast with controlled filament preheating using half-wave lamp current detection | Daisuke Yamahara | 2012-03-27 |
| 8115405 | High pressure discharge lamp lighting device and luminaire using same | Daisuke Yamahara, Nobutoshi Matsuzaki, Takeshi Kamoi, Satoru Nagata, Jun Kumagai | 2012-02-14 |
| 7814445 | Circuit wiring interference analysis device, interference analysis program, database used in interference analysis device, and asymmetrically connected line model | Hideki Iwaki, Tetsuyoshi Ogura, Toru Yamada | 2010-10-12 |
| 7788076 | Interference analysis method, interference analysis device, interference analysis program and recording medium with interference analysis program recorded thereon | Hideki Iwaki, Tetsuyoshi Ogura, Takeshi Nakayama, Tomohiro Kinoshita | 2010-08-31 |
| 7425802 | Discharge lamp lighting apparatus, luminaire and illumination system | Jun Kumagai, Satoru Nagata, Minoru Maehara | 2008-09-16 |
| 7129650 | Lighting apparatus for high intensity discharge lamp | Masanori Mishima, Minoru Maehara, Satoru Nagata | 2006-10-31 |
| 6960959 | Power amplifier and communication apparatus | Toru Matsuura, Hiroshi Isono, Kaoru Ishida | 2005-11-01 |
| 6437515 | Discharge lamp lighting device of high startability with high pulse voltage | Takeshi Kamoi, Tsutomu Shiomi, Hiroichi Shinbori, Takeshi Goriki, Yiyoung Sun | 2002-08-20 |
| 6329875 | Power amplifier, power control method for power amplifier, and communication equipment | Kaoru Ishida, Toshio Obara, Hiroaki Kosugi | 2001-12-11 |