Issued Patents All Time
Showing 25 most recent of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9086868 | Hub device and system using the same | — | 2015-07-21 |
| 8515101 | Bending vibration type sound transmitter | — | 2013-08-20 |
| 8508107 | Low frequency oscillator, the omni-directional type low frequency underwater acoustic transducer using the same and the cylindrical radiation type low frequency underwater acoustic transducer using the same | — | 2013-08-13 |
| 8442408 | Sensor system and apparatus for identifying recording medium | Yoshitaka Kukubo, Masanori Akita, Tomoyuki Okada, Kengo Umeda | 2013-05-14 |
| 8169126 | Low frequency oscillator, the omni-directional type low frequency underwater acoustic transducer using the same and the cylindrical radiation type low frequency underwater acoustic transducer using the same | — | 2012-05-01 |
| 7529493 | Sensor system and apparatus for identifying recording medium | Yoshitaka Kokubo, Masanori Akita, Tomoyuki Okada, Kengo Umeda | 2009-05-05 |
| 7376048 | Underwater sound projector and underwater sound projection method | — | 2008-05-20 |
| 7250706 | Echo sounder transducer | — | 2007-07-31 |
| 7209696 | Image heating apparatus with elastic conductive member contacting internal surface of rotation member | Masao Umezawa, Atsutoshi Ando | 2007-04-24 |
| 7187105 | Transducer with coupled vibrators | — | 2007-03-06 |
| 6538381 | Plasma display panel and method for manufacturing the same | Mitsuo Ueoka | 2003-03-25 |
| 6246844 | Density control apparatus in image formation apparatus | — | 2001-06-12 |
| 6107620 | Photosensor using side surface light | Hiroshi Mano, Tomoo Nagaoka | 2000-08-22 |
| 6075505 | Active matrix liquid crystal display | Koichi Koga, Kouichi Nishimura | 2000-06-13 |
| 5847688 | Liquid crystal display apparatus having an increased viewing angle | Susumu Ohi | 1998-12-08 |
| 5805248 | Active matrix liquid crystal display | Mitiaki Sakamoto | 1998-09-08 |
| 5678132 | Image density detection adjustment device | Hiroshi Mano, Fumihiro Ueno | 1997-10-14 |
| 5610666 | Gamma correcting circuit | Goro Ueda | 1997-03-11 |
| 5568234 | Image density control device | — | 1996-10-22 |
| 5526014 | Semiconductor device for driving liquid crystal display panel | Sei Saitoh | 1996-06-11 |
| 5467035 | Sample-and-hold circuit | Susumu Ohi | 1995-11-14 |
| 5449960 | Sample-and-hold circuit | Susumu Ohi | 1995-09-12 |
| 5391921 | Semiconductor device having multi-level wiring | Osamu Kudoh, Kenji Okada, Takuya Katoh | 1995-02-21 |
| 5248854 | Multilevel metallization for VLSI and method for forming the same | Osamu Kudoh, Kenji Okada | 1993-09-28 |
| 5243333 | Driver for active matrix type liquid crystal display device | Sei Saito, Yasuhiro Miyahara | 1993-09-07 |