Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12241276 | Floating-type base isolation system | Takahiro Shimada, Satoru Kai, Xinglong Yan, Tomohiko Yamamoto | 2025-03-04 |
| 11439942 | Gas purification apparatus, ship including the same, and gas purification method | Masayuki Inui, Makoto Susaki | 2022-09-13 |
| 10699817 | Rotary device for nuclear power facility | Xinglong Yan, Satoshi Takahashi, Yoshiyuki Imai, Hiroyuki Sato | 2020-06-30 |
| 9871279 | Millimeter waveband filter and method of varying resonant frequency thereof | Takashi Kawamura, Hiroshi Hasegawa | 2018-01-16 |
| 9871278 | Millimeter waveband filter and method of varying resonant frequency thereof | Takashi Kawamura, Hiroshi Hasegawa | 2018-01-16 |
| 9793588 | Waveguide switch | Takashi Kawamura | 2017-10-17 |
| 9786972 | Millimeter waveband filter | Takashi Kawamura | 2017-10-10 |
| 9389255 | Millimeter-wave band spectrum analysis device and analysis method | Masaaki Fuse, Hitoshi Sekiya | 2016-07-12 |
| 9385407 | Radio-wave half mirror for millimeter waveband and method of smoothing transmittance | Takashi Kawamura | 2016-07-05 |
| 9184486 | Millimeter waveband filter and method of varying resonant frequency thereof | Takashi Kawamura, Hiroshi Hasegawa | 2015-11-10 |
| 9160044 | Millimeter waveband filter and method of manufacturing the same | Takashi Kawamura, Hiroshi Hasegawa | 2015-10-13 |
| 8970321 | Millimeter waveband filter and method of increasing rejection band attenuation | Takashi Kawamura | 2015-03-03 |
| 8098995 | Optical signal synchronization sampling apparatus and method, and optical signal monitoring apparatus and method using the same | Takao Tanimoto | 2012-01-17 |
| 8050558 | Optical signal sampling apparatus and method and optical signal monitor apparatus and method using the same | Takao Tanimoto | 2011-11-01 |
| 8041211 | Optical signal quality monitoring apparatus and method | Takao Tanimoto | 2011-10-18 |
| 8019218 | Optical signal monitoring apparatus and method | Takao Tanimoto | 2011-09-13 |
| 6788410 | Delay time measurement apparatus for optical element | Toshinobu Otsubo | 2004-09-07 |
| 6720548 | Optical sampling waveform measuring apparatus aiming at achieving wider band | Toshinobu Otsubo, Hidehiko Takara, Ippei Shake, Satoki Kawanishi | 2004-04-13 |
| 6697395 | Sum frequency light generation method and sum frequency light generation apparatus adapatble for wide-band wavelength conversion | Toshinobu Otsubo, Hidehiko Takara, Ippei Shake, Satoki Kawanishi | 2004-02-24 |
| 6677577 | Waveform measuring method and apparatus | Toshinobu Otsubo, Hiroto Watanabe | 2004-01-13 |
| 6484628 | Wire printing method and apparatus | Kenji Hashimoto | 2002-11-26 |
| 6483362 | Pulse generator | Toshinobu Otsubo | 2002-11-19 |
| 6483624 | Optical pulse generation system for generating optical pulses having high duty ratio | Toshinobu Otsubo | 2002-11-19 |
| 6483287 | Waveform measuring apparatus | Toshinobu Otsubo, Hiroto Watanabe | 2002-11-19 |
| 6407686 | Waveform measuring apparatus | Toshinobu Otsubo, Hiroto Watanabe | 2002-06-18 |