Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10640134 | Train position detection device | Wataru Tsujita, Kenji Inomata, Seiya Nagashima | 2020-05-05 |
| 10501101 | Train-position detection device | Wataru Tsujita, Seiya Nagashima, Tadashi Yamamoto, Kenji Kataoka | 2019-12-10 |
| 9500747 | Travel distance measurement device | Kenji Inomata, Wataru Tsujita, Seiya Nagashima | 2016-11-22 |
| 9336683 | Travel distance measurement device | Kenji Inomata, Wataru Tsujita, Seiya Nagashima | 2016-05-10 |
| 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 |
| 5883541 | High frequency switching circuit | Tatsuya Miya | 1999-03-16 |
| 5521431 | Semiconductor device with lead frame of molded container | — | 1996-05-28 |