Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8212632 | FET phase shifter for selectively phase shifting signals between different filtering characteristics | — | 2012-07-03 |
| 7764142 | Series connected bit phase shifter having first and second impedance adjusting circuits | — | 2010-07-27 |
| 7724107 | Phase shifter having switchable signal paths where one signal path includes no shunt capacitor and inductor | — | 2010-05-25 |
| 7719386 | Phase shifter having components which suppress fluctuations in the phase shifter pass characteristics | Takao Atsumo, Hiroshi Mizutani | 2010-05-18 |
| 7365274 | Electronic circuit board | Kazuharu Kimura | 2008-04-29 |
| 7363017 | High frequency module and manufacturing method thereof | Kazuharu Kimura | 2008-04-22 |
| 6319753 | Semiconductor device having lead terminals bent in J-shape | Seiji Ichikawa, Takeshi Umemoto, Toshiaki Nishibe, Kazunari Sato, Kunihiko Tsubota +5 more | 2001-11-20 |
| 6242797 | Semiconductor device having pellet mounted on radiating plate thereof | Seiji Ichikawa, Takeshi Umemoto, Toshiaki Nishibe, Kazunari Sato, Kunihiko Tsubota +5 more | 2001-06-05 |
| 6177720 | Method of manufacturing a semiconductor device with a pair of radiating terminals and a plurality of lead terminals formed from a single lead frame | Seiji Ichikawa, Takeshi Umemoto, Toshiaki Nishibe, Kazunari Sato, Kunihiko Tsubota +5 more | 2001-01-23 |
| 6175150 | Plastic-encapsulated semiconductor device and fabrication method thereof | Seiji Ichikawa, Takeshi Umemoto, Toshiaki Nishibe, Kazunari Sato, Kunihiko Tubota +5 more | 2001-01-16 |
| 6165818 | Method of manufacturing a semiconductor device with a pair of radiating terminals and a plurality of lead terminals formed from a single lead frame | Seiji Ichikawa, Takeshi Umemoto, Toshiaki Nishibe, Kazunari Sato, Kunihiko Tsubota +5 more | 2000-12-26 |
| 6150715 | Semiconductor device with radiation plate for high radiation character and method of manufacturing the same | Seiji Ichikawa, Takeshi Umemoto, Kazunari Sato, Kunihiko Tsubota, Yoshikazu Nishimura +5 more | 2000-11-21 |
| 6104086 | Semiconductor device having lead terminals bent in J-shape | Seiji Ichikawa, Takeshi Umemoto, Toshiaki Nishibe, Kazunari Sato, Kunihiko Tsubota +5 more | 2000-08-15 |
| 6011450 | Semiconductor switch having plural resonance circuits therewith | — | 2000-01-04 |
| 5883541 | High frequency switching circuit | Kazuhiro Tahara | 1999-03-16 |
| 5751033 | Frequency converter circuit structure having two sources | — | 1998-05-12 |
| 5697087 | Semiconductor device with a filter formed of 3-element series-and-parallel resonators | Tsutomu Noguchi | 1997-12-09 |
| 5446419 | Microwave oscillation apparatus capable of suppressing spurious oscillation | Kazuyoshi Uemura | 1995-08-29 |
| 5341111 | Microwave oscillator circuit | Kazuyoshi Uemura, Sadayoshi Yoshida | 1994-08-23 |