Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12306533 | Optical device manufacturing method and manufacturing apparatus using local etching | Mikihiro Kurosawa, Manabu Oguma, Masahiro Yanagisawa, Tomoyuki Yamada | 2025-05-20 |
| 11137332 | Particulate detection apparatus | Takeshi Sugiyama | 2021-10-05 |
| 10570799 | Purification control device | Kentaro Mori | 2020-02-25 |
| 10502114 | Concentration calculation apparatus, concentration calculation system, and concentration calculation method | Yoshihiro Nakano | 2019-12-10 |
| 10094261 | Ammonia occlusion amount estimation device and method, and purification control apparatus and method | Ryosuke Ichida, Kentaro Mori | 2018-10-09 |
| 9354191 | Oxygen sensor controlling apparatus, oxygen sensor controlling method and computer readable recording medium | Soichi Kawaguchi, Ryosuke Ichida | 2016-05-31 |
| 9239273 | Sensor control apparatus and sensor control system | — | 2016-01-19 |
| 9199271 | Building material and method for manufacturing thereof | Makoto Kawakami, Koji Sawada | 2015-12-01 |
| 9068934 | Gas sensor processing apparatus | Kentaro Mori, Soichi Kawaguchi, Ryosuke Ichida | 2015-06-30 |
| 9052279 | Gas sensor apparatus and method for controlling the same | Tsuyoshi Kato, Kentaro Mori, Soichi Kawaguchi, Ryosuke Ichida | 2015-06-09 |
| 8635812 | Throating | Yohei Sawada | 2014-01-28 |
| 8568870 | Coating film for building material | Toshio Imai, Toshifumi Takahashi | 2013-10-29 |
| 8420204 | Building board | Syouzou Ohno | 2013-04-16 |
| 8404331 | Building material and method for manufacturing thereof | Makoto Kawakami, Koji Sawada | 2013-03-26 |
| 8205405 | Wall structure | Koji Sawada | 2012-06-26 |
| 8096260 | Coating apparatus for coating a building board | Mamoru Murase | 2012-01-17 |
| 8084098 | Coating method of building board | Daizou Mizuno | 2011-12-27 |
| 7993563 | Production method of wood cement board | Yuji Yamazaki, Masaya Higuchi | 2011-08-09 |
| 7942262 | Packaging structure for building boards and building boards loading structure | Masaru Watanabe | 2011-05-17 |
| 7400800 | Arrayed waveguide grating type optical multiplexer/demultiplexer circuit | Tsutomu Kitoh, Yasuyuki Inoue, Mikitaka Ito, Akimasa Kaneko | 2008-07-15 |
| 7313297 | Wavelength multi/demultiplexer | Masahiro Yanagisawa, Taisuke Oguchi, Yasuyuki Inoue, Yasuhiro Hida, Motohaya Ishii | 2007-12-25 |
| 6937797 | Planar lightwave circuit and optical circuit | Takayuki Mizuno, Tsutomu Kitoh, Yasuyuki Inoue, Mikitaka Itoh, Takashi Saida +1 more | 2005-08-30 |
| 6757454 | Polarization desensitized optical waveguide interferometer | Yasuyuki Inoue, Yasuaki Hashizume, Akio Sugita, Yasuhiro Hida, Hiroshi Takahashi | 2004-06-29 |
| 6735358 | Optical multiplexer and optical demultiplexer | Tsutomu Kitoh, Yasuyuki Inoue, Manabu Oguma, Kaname Jinguji | 2004-05-11 |
| 6731828 | Waveguide-type optical signal processing circuit | Tsutomu Kitou, Yasuyuki Inoue, Manabu Oguma, Takayuki Mizuno, Masaki Koutoku | 2004-05-04 |