Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10424514 | Method for manufacturing semiconductor substrate | Mitsuharu Kato, Tadashi Shimada | 2019-09-24 |
| 8217466 | High-speed semiconductor device and method for manufacturing the same | Kanji Otsuka, Fumio Mizuno, Munekazu Takano | 2012-07-10 |
| 7872612 | Antenna apparatus utilizing aperture of transmission line | Kanji Otsuka, Yutaka Akiyama, Chihiro Ueda | 2011-01-18 |
| 7791852 | Electrostatic discharge protection circuit and terminating resistor circuit | Kanji Otsuka, Yutaka Akiyama, Tsuneo Ito, Yuko Tanba | 2010-09-07 |
| 7631422 | Method of manufacturing wiring substrate having terminated buses | Kanji Otsuka | 2009-12-15 |
| 7446625 | Narrow impedance conversion device | Kanji Otsuka, Yutaka Akiyama | 2008-11-04 |
| 7446567 | Signal transmission apparatus and interconnection structure | Kanji Otsuka | 2008-11-04 |
| 7295032 | High-speed signal transmission system | Kanji Otsuka, Tetsuya Higuchi, Eiichi Takahashi, Yuji Kasai, Masahiro Murakawa | 2007-11-13 |
| 7280385 | Semiconductor memory device | Kanji Otsuka | 2007-10-09 |
| 7190188 | Signal transmission system, and signal transmission line | Kanji Otsuka | 2007-03-13 |
| 7173449 | Signal transmission system | Kanji Otsuka | 2007-02-06 |
| 7116184 | Method of terminating bus, bus termination resistor, and wiring substrate having terminated buses and method of its manufacture | Kanji Otsuka | 2006-10-03 |
| 7113002 | Transmission cable structure for GHz frequency band signals and connector used for transmission of GHz frequency band signals | Kanji Otsuka, Chihiro Ueda, Yutaka Akiyama, Osamu Koyasu | 2006-09-26 |
| 6975489 | Circuit structure and semiconductor integrated circuit | Kanji Otsuka, Tadatomo Suga | 2005-12-13 |
| 6961229 | Electronic circuit device | Kanji Otsuka | 2005-11-01 |
| 6914502 | Wiring structure for transmission line having grooved conductors | Kanji Otsuka | 2005-07-05 |
| 6812742 | Electronic device | Kanji Otsuka | 2004-11-02 |
| 6731153 | Semiconductor integrated circuit having switching transistors and varactors | Kanji Otsuka | 2004-05-04 |
| 6670830 | Driver circuit, receiver circuit, and signal transmission bus system | Kanji Otsuka | 2003-12-30 |
| 6630629 | Wiring substrate | Kanji Otsuka | 2003-10-07 |
| 6625005 | Semiconductor circuit device having power and ground lines adapted for high-frequency operation | Kanji Otsuka | 2003-09-23 |
| 6476330 | Wiring substrate and process for producing the same | Kanji Otsuka | 2002-11-05 |
| 6373275 | Electronic device capable of greatly improving signal transmission speed in a bus wiring system | Kanji Otsuka | 2002-04-16 |
| 4527730 | Wire bonding apparatus | Yuji Shirai, Kanji Otsuka, Yasuyuki Yamasaki | 1985-07-09 |