Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10149297 | Communication device | Hiroyuki Ishihara, Akira Shibuta, Shinji Ikegami, Hirokazu Sugiyama, Kazuhide Shibata +1 more | 2018-12-04 |
| 9781647 | Communication system for transferring data between DECT terminal and wide area wireless base station | Hiroyuki Ishihara, Akira Shibuta, Shinji Ikegami, Hirokazu Sugiyama, Kazuhide Shibata +1 more | 2017-10-03 |
| 8948233 | Wireless relaying device, wireless transmission device, and wireless relaying method | Kenichi Miyoshi, Seigo Nakao, Daichi Imamura | 2015-02-03 |
| 8337982 | Benzoxazole resin precursor, polybenzoxazole resin, resin film and semiconductor device | Atsushi Izumi | 2012-12-25 |
| 8178631 | Resin composition, varnish, resin film and semiconductor device | Atsushi Izumi, Hiromi Oki, Yukiharu Ono, Kazuyoshi Fujita | 2012-05-15 |
| 8027411 | Wireless receiver | Makoto Sasaki | 2011-09-27 |
| 7769358 | Radio system, radio transmitter, and radio receiver | Makoto Sasaki, Katsumi Iizuka | 2010-08-03 |
| 7684513 | Amplifier circuit and amplifying method | Kazuhiko Ikeda, Takashi Izumi | 2010-03-23 |
| 7652125 | Resin composition, polyimide resin composition, polybenzoxazole resin composition, varnish, resin film and semiconductor device using the same | Atsushi Izumi, Yumiko Yamamoto, Takahiro Harada | 2010-01-26 |
| 7049371 | Material for an insulating film, coating varnish for an insulating film, and insulating film and semiconductor device using the same | Hidenori Saito, Nobuhiro Higashida, Yuichi Ishida | 2006-05-23 |
| 6949674 | Aromatic carboxylic acids, acid halides thereof and processes for preparing both | Masako Okanuma, Yuichi Ishida, Yoko Hase, Nobuhiro Higashida | 2005-09-27 |
| 6410677 | Resin composition for insulating material, and insulating material produced from said resin composition | Nobuhiro Higashida, Mitsuru Murata | 2002-06-25 |
| 6380271 | Material for electrical insulating organic film, electrical insulating organic film and process for the preparation thereof | Takashi Yamaji, Mitsumoto Murayama, Yoko Hase, Toshimasa Eguchi | 2002-04-30 |
| 6337668 | Antenna apparatus | Hideo Ito, Suguru Kojima | 2002-01-08 |
| 6239656 | Power amplifier | Hideo Nagata | 2001-05-29 |
| 6130897 | Time division multiple access FDD/TDD dual mode radio and a time division multiple access TDD dual band system | Kaoru Ishida, Hiroaki Kosugi, Yoichi Morinaga, Makoto Aisaka | 2000-10-10 |
| 6114911 | Power amplifier | Hiroshi Iwai, Kaoru Ishida, Hiroaki Kosugi, Youichi Morinaga | 2000-09-05 |
| 6014571 | Multiband mobile unit communication apparatus | — | 2000-01-11 |
| 6006080 | Receiving mixer circuit for mobile radio transceiver designed to operate with multiple modulation modes and multiple frequency bands | Hidenobu Kato, Keiichi Nakayama, Seiichi Yamaguchi, Manabu Yamaguchi, Kaoru Ishida +1 more | 1999-12-21 |
| 5973557 | High efficiency linear power amplifier of plural frequency bands and high efficiency power amplifier | Masayuki Miyaji, Kaoru Ishida, Hiroaki Kosugi, Yoichi Morinaga, Hidenobu Kato | 1999-10-26 |
| 5913153 | Mobile station without a transmission/reception duplexer | Kenji Nakamoto | 1999-06-15 |
| 5835853 | Two band receiver | Fujio Sasaki | 1998-11-10 |
| 5794134 | Receiving circuit for a portable telephone set | Fujio Sasaki | 1998-08-11 |
| 5659893 | Transmission circuit with improved gain control loop | Masaharu Nakatsuchi, Kohji Chiba, Fujio Sasaki | 1997-08-19 |
| 5369789 | Burst signal transmitter | Hiroaki Kosugi, Takayuki Matsumoto | 1994-11-29 |