Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12334874 | High frequency amplifier | Tatsuya Hashinaga | 2025-06-17 |
| 12199572 | High-frequency amplifier | Tatsuya Hashinaga | 2025-01-14 |
| 12176860 | High frequency amplifier | Tatsuya Hashinaga | 2024-12-24 |
| 11916519 | High frequency amplifier | Tatsuya Hashinaga | 2024-02-27 |
| 9989755 | Method of producing optical module and optical module | Yasushi Fujimura, Tomoya Saeki, Michio Suzuki, Satoru Kanemaru | 2018-06-05 |
| 9764687 | Sound output device for vehicle | Takeshi Okuyama, Tomokazu Nitta | 2017-09-19 |
| 9684126 | Optical module having multi-mode coupler formed on semiconductor substrate | Yasushi Fujimura, Masaru Takechi, Takehiko Kikuchi | 2017-06-20 |
| 9517740 | Sound output device for vehicle | Takeshi Okuyama, Tomokazu Nitta | 2016-12-13 |
| 8873911 | Optical module with pig-tailed fiber and method to assembly the same | — | 2014-10-28 |
| 7720248 | Frame for speaker device and speaker device | Hiromitsu Sasaki, Eiji Sakaguchi, Hidehito Oki, Tsutomu Harano, Masaki Soda +2 more | 2010-05-18 |
| 7377358 | Frame for speaker device and speaker device | Hiromitsu Sasaki | 2008-05-27 |
| 7331420 | Frame for speaker device and speaker device | Hiromitsu Sasaki, Eiji Sakaguchi, Hidehito Oki | 2008-02-19 |
| 7325648 | Frame for speaker device and speaker device | Hiromitsu Sasaki, Eiji Sakaguchi, Hidehito Oki | 2008-02-05 |
| 6257773 | Optical module and optical reflecting member | Sosaku Sawada | 2001-07-10 |
| 6213650 | Method of making optical module | Sosaku Sawada, Seiji Kumagai | 2001-04-10 |
| 5765128 | Apparatus for synchronizing a voice coder and a voice decoder of a vector-coding type | Mitsuru Tsuboi, Naoji Fujino, Noboru Kobayashi, Toshiaki Nobumoto, Toshiyuki Ohta +2 more | 1998-06-09 |
| 5754310 | Facsimile signal relay method and apparatus therefor | Kazuhiko Aoki, Kazuhiro Shibuya, Naomi Yokoyama | 1998-05-19 |
| 5709106 | Condenser structure with liquid tank | Hiroyuki Inaba, Hiroaki Hashimoto, Hideo Kobayashi, Naohisa Kamiyama | 1998-01-20 |
| 5555739 | Piping arrangement of automotive air conditioner | Toshisada Kujirai, Kaoru Ito, Yoshiaki Koga, Norimitsu Takeshita, Yuji Ohira +1 more | 1996-09-17 |
| 5295195 | Magnetic circuit in a loudspeaker | Kunio Mitobe | 1994-03-15 |
| 5186242 | Condenser provided with forced cooling means | Tsunenari Adachi, Hitoshi Akasaka | 1993-02-16 |
| 4966558 | Coupler terminal unit for speaker | — | 1990-10-30 |
| 4365113 | Speaker unit for automotive vehicles | Hiroshi Soma, Makoto Iyobe, Takekazu Iijima | 1982-12-21 |