Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12246398 | Solder bump forming member, method for manufacturing solder bump forming member, and method for manufacturing electrode substrate provided with solder bump | Kunihiko Akai, Junichi KAKEHATA, Yoshinori Ejiri | 2025-03-11 |
| 12247270 | Anisotropic conductive film and method for producing the anisotropic conductive film including a base material having recesses and solder particles formed inside the recesses | Kunihiko Akai, Yoshinori Ejiri, Yuuhei Okada, Toshimitsu MORIYA, Shinichirou Sukata | 2025-03-11 |
| 12172240 | Solder particles | Kunihiko Akai, Yoshinori Ejiri, Yuuhei Okada, Toshimitsu MORIYA, Shinichirou Sukata | 2024-12-24 |
| 12100923 | Connection structure and manufacturing method therefor | Kunihiko Akai, Junichi KAKEHATA, Yoshinori Ejiri, Toshimitsu MORIYA | 2024-09-24 |
| 6940346 | Feedforward amplifier, communication apparatus, feedforward amplification method, program and medium | Kaoru Ishida, Toshimitsu Matsuyoshi, Hisashi Adachi, Seiji Fujiwara | 2005-09-06 |
| 6847258 | Power amplifier, power amplifying method and radio communication apparatus | Kaoru Ishida, Toshimitsu Matsuyoshi | 2005-01-25 |
| 6803837 | Power splitter/combiner circuit, high power amplifier and balun circuit | Kaoru Ishida, Hiroaki Kosugi, Shin'ichi Kugou | 2004-10-12 |
| 6710652 | Feedforward amplifier | Kaoru Ishida, Toshimitsu Matsuyoshi, Seiji Fujiwara | 2004-03-23 |
| 6690249 | Power splitter/combiner multi-layer circuit | Kaoru Ishida, Hiroaki Kosugi, Shin'ichi Kugou | 2004-02-10 |
| 6590906 | Multi-carrier transmitter circuit and communication equipment | Kaoru Ishida, Hiroaki Kosugi, Shin'ichi Kugou | 2003-07-08 |
| 6563395 | Power splitter/combiner circuit, high power amplifier and balun circuit | Kaoru Ishida, Hiroaki Kosugi, Shin'ichi Kugou | 2003-05-13 |
| 6545542 | Power amplifier with coupler for cross-coupling amplifiers for reduction of differential frequency component | Toshimitsu Matsuyoshi, Kaoru Ishida, Seiji Fujiwara | 2003-04-08 |
| 6326845 | Feedforward amplifier | Kaoru Ishida, Hiroaki Kosugi, Shin'ichi Kugou | 2001-12-04 |
| 6300848 | Power splitter and power combiner using N-branch-line-shaped directional couplers | Kaoru Ishida, Hiroaki Kosugi, Shin'ichi Kugou | 2001-10-09 |
| 6201439 | Power splitter/ combiner circuit, high power amplifier and balun circuit | Kaoru Ishida, Hiroaki Kosugi, Shin'ichi Kugou | 2001-03-13 |
| 6037837 | Feed forward amplifier | Kaoru Ishida, Hiroaki Kosugi, Shin'ichi Kugou | 2000-03-14 |
| 5973557 | High efficiency linear power amplifier of plural frequency bands and high efficiency power amplifier | Kaoru Ishida, Hiroaki Kosugi, Yoichi Morinaga, Hidenobu Kato, Takashi Enoki | 1999-10-26 |