Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11567421 | Signal generation circuit and image forming apparatus | — | 2023-01-31 |
| 11287760 | Image forming apparatus with variable light emission intentsity and computer-readable nonvolatile recording medium therefor | — | 2022-03-29 |
| 11249414 | Driving apparatus and image forming apparatus | — | 2022-02-15 |
| 10870303 | Decoloring apparatus for determining whether to decolor a sheet | — | 2020-12-22 |
| 10322596 | Decoloring apparatus for determining whether to decolor a sheet | — | 2019-06-18 |
| 9662961 | Heating apparatus | — | 2017-05-30 |
| 9662922 | Decoloring apparatus for determining whether to decolor a sheet | — | 2017-05-30 |
| 8765313 | Fuel cell system and method of controlling same | Kenji Kurita, Shiro Yamasaki, Norihiko Toyonaga | 2014-07-01 |
| 8436884 | Image forming apparatus | — | 2013-05-07 |
| 8406580 | Planar lightwave fourier-transform spectrometer measurement including phase shifting for error correction | Katsunari Okamoto | 2013-03-26 |
| 7939212 | Flux control apparatus and fuel cell system | Hiroaki Kato | 2011-05-10 |
| 7931870 | Reformer that determines a combustion state of an included combustion section and a fuel cell system incorporating the same | Norihiko Toyonaga | 2011-04-26 |
| 7779288 | High resolution timer circuit and time count method for suppressing increase in storage capacity | Hidenori Kobayashi, Shunichi Ono, Takashi Okano | 2010-08-17 |
| 7615961 | Control device for stepping motor | Hidenori Kobayashi, Shunichi Ono, Takashi Okano | 2009-11-10 |
| 7535483 | Image forming apparatus and image forming method | Hidenori Kobayashi, Shunichi Ono | 2009-05-19 |
| 7342377 | Stepping-motor control apparatus and method of controlling the apparatus | Hidenori Kobayashi, Shunichi Ono, Takashi Okano | 2008-03-11 |
| 6775005 | Low-coherence reflectometer with polarization control | Fumio Akikuni, Shoichi Aoki, Tetsuo Yano, Tohru Mori | 2004-08-10 |
| 6760110 | Low coherent reflectometer | Syoichi Aoki, Tetsuo Yano, Kenji Senda | 2004-07-06 |
| 6660244 | Hydrogen generating system | Yoshimasa Negishi, Masaaki Yamaoka, Kyo Hattori, Hiromi Tanaka, Shigeto Kajiwara | 2003-12-09 |
| 6476919 | Polarization-independent reflectometry and polarization-independent reflectometer | Tohru Mori, Masaharu Horiguchi | 2002-11-05 |
| 6306532 | Vehicular mountable fuel cell system | Kenji Kurita, Koji Kiryu, Akira Matsuoka | 2001-10-23 |
| 6278813 | Wavelength division multi/demultiplexer | Katsunari Okamoto, Hiroaki Yamada | 2001-08-21 |
| 5940548 | Guided-wave circuit with optical characteristics adjusting plate, method for producing it, and apparatus for producing optical characteristics adjusting plate | Hiroaki Yamada, Yasuyuki Inoue, Seiko Mitachi, Makoto Abe | 1999-08-17 |
| 4901123 | Superluminescent diode | Yoshio Noguchi, Haruo Nagai, Juichi Noda | 1990-02-13 |