Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11040643 | Insulating sheet, and backrest seat and cold weather garment employing the same | Norihiro Kawamura, Yuuichi Abe, Takeshi Fujii | 2021-06-22 |
| 10244658 | Heat conductive sheet and electronic apparatus using same | Koji Matsuno | 2019-03-26 |
| 10211492 | Electronic apparatus | Yoshiya Sakaguchi, Kazuo Kimura | 2019-02-19 |
| 10072988 | Temperature-detecting device | Yoshiya Sakaguchi | 2018-09-11 |
| 9488420 | Heat conducting sheet | Norihiro Kawamura, Takahiro Senshu, Keiji Kawajiri | 2016-11-08 |
| 9491890 | Thermally conductive body and electronic device using same | Masafumi Nakayama | 2016-11-08 |
| 8720537 | Graphite sheet and heat transfer structure using same | Yuichi Sato, Norihiro Kawamura, Masashi Funaba | 2014-05-13 |
| 8673446 | Graphite complex and manufacturing method thereof | Mitsuru Tamaoki, Norihiro Kawamura, Masashi Funaba | 2014-03-18 |
| 8107461 | SIP exchange system | Takahiro Sasaki | 2012-01-31 |
| 7577135 | IP telephone system | Hiroyuki Sato, Shinji Saitou, Tadashi Saitou, Takahiro Sasaki, Fumio Urayama +5 more | 2009-08-18 |
| 5355532 | Television tuner unit having shield housing | Akira Usui, Akira Mishima | 1994-10-11 |
| 5280639 | Double super-heterodyne tuner | — | 1994-01-18 |
| 5243300 | High frequency amplifying apparatus | — | 1993-09-07 |
| 5212824 | Mixer for frequency converting both ground and satellite broadcasting signals | Akira Mishima | 1993-05-18 |
| 5179729 | Tuner station selecting apparatus | Akira Mishima, Akira Usui | 1993-01-12 |
| 5093922 | Receiving apparatus for receiving a BS-IF signal converted into a superhigh band or UHF band | Akira Usui, Minoru Ueda | 1992-03-03 |
| 5014349 | Television tuner for common use in BS/UV | Akira Usui, Seiji Sakashita, Hiroaki Ozeki, Ippei Kanno | 1991-05-07 |
| 4861941 | Shielding device | Susumu Saitou, Akira Usui, Hiroyuki Nagai | 1989-08-29 |
| 4853351 | Silica shaped bodies and process for preparing same | Akira Takahashi, Kazuo Shibahara, Katsuhiro Morimoto, Hiromasa Samma | 1989-08-01 |
| 4835492 | Voltage controlled oscillator having constant tuning bias voltage | Hideyuki Ikuhara, Akira Usui, Hiroyuki Nagai, Tetsuo Kutsuki | 1989-05-30 |
| 4817195 | Channel selection apparatus having automatic frequency compensation for transmission frequency error | Akira Usui, Minoru Miyata, Hideyuki Ikuhara, Hiroyuki Nagai, Tadashi Yamada | 1989-03-28 |
| 4797638 | Oscillator including a transistor used both as constant current source and amplifier | Akira Usui, Hiroyuki Nagai | 1989-01-10 |
| 4772862 | Filter apparatus | Akira Usui, Hiroyuki Nagai, Hideyuki Miyake, Takashi Fujino | 1988-09-20 |
| 4764736 | Amplifier for high frequency signal | Akira Usui, Tadashi Yamada, Hiroyuki Nagai | 1988-08-16 |
| 4751475 | Local oscillation apparatus | Akira Usui, Hiroyuki Nagai | 1988-06-14 |