Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6542045 | High-frequency variable attenuator having a controllable reference voltage | — | 2003-04-01 |
| 6319753 | Semiconductor device having lead terminals bent in J-shape | Seiji Ichikawa, Takeshi Umemoto, Kazunari Sato, Kunihiko Tsubota, Masato Suga +5 more | 2001-11-20 |
| 6242797 | Semiconductor device having pellet mounted on radiating plate thereof | Seiji Ichikawa, Takeshi Umemoto, Kazunari Sato, Kunihiko Tsubota, Masato Suga +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, Kazunari Sato, Kunihiko Tsubota, Masato Suga +5 more | 2001-01-23 |
| 6175150 | Plastic-encapsulated semiconductor device and fabrication method thereof | Seiji Ichikawa, Takeshi Umemoto, Kazunari Sato, Kunihiko Tubota, Masato Suga +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, Kazunari Sato, Kunihiko Tsubota, Masato Suga +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, Kazunari Sato, Kunihiko Tsubota, Masato Suga +5 more | 2000-08-15 |