Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12051671 | Pressure-contact-type semiconductor device | Jun Okada, Tetsuo Motomiya | 2024-07-30 |
| 9850325 | Method for producing ring-opening metathesis polymer hydride, and resin composition | Takashi Tsutsumi, Yumi Ohsaku | 2017-12-26 |
| 8853739 | Pressure contact semiconductor device | — | 2014-10-07 |
| 8456001 | Pressure-contact semiconductor device | Kenji Oota | 2013-06-04 |
| 7037993 | Norbornene-based ring-opening polymerization polymer, product of hydrogenation of norbornene-based ring-opening polymerization polymer, and processes for producing these | Seiji Okada, Yasuo Tsunogae | 2006-05-02 |
| 6995226 | Open-ring copolymer, hydrogenated open-ring copolymer, process for production of both, and compositions | Yasuo Tsunogae, Hitomi Takeuchi, Yasuhiro Wakisaka, Kei Sakamoto | 2006-02-07 |
| 6908970 | Process for producing hydrogenated product of cyclic olefin polymer prepared through ring-opening polymerization | Yasuo Tsunogae, Masato Sakamoto, Masaharu Tokoro | 2005-06-21 |
| 6707144 | Insulated high speed semiconductor switching device | — | 2004-03-16 |
| 6624448 | Semiconductor device with multiple supporting points | Kazuhiro Morishita, Kenji Oota | 2003-09-23 |
| 6486264 | Process for producing hydrogenated ring-opening polymerization polymer of cycloolefin | Yasuo Tsunogae, Masato Sakamoto, Masaharu Tokoro | 2002-11-26 |
| 6445013 | Gate commutated turn-off semiconductor device | — | 2002-09-03 |
| 5801429 | Semiconductor device | Yuzuru Konishi, Kyotaro Hirasawa | 1998-09-01 |
| 5777351 | Compression bonded type semiconductor element and semiconductor device | Yuzuru Konishi | 1998-07-07 |
| 5742716 | Light trigger thyristor | Junichiro Yamashita, Takeshi Nakamura, Katsumi Satoh | 1998-04-21 |
| 5641976 | Pressure contact type semiconductor device with axial bias and radial restraint between a distortion buffer plate and a semiconductor body | Kyoutaro Hirasawa, Yuzuru Konishi | 1997-06-24 |
| 5621237 | Semiconductor device | Yuzuru Konishi, Kyotaro Hirasawa | 1997-04-15 |
| 5596210 | Light trigger type semiconductor device with reflection prevention film | Yuzuru Konishi, Kyotaro Hirasawa | 1997-01-21 |
| 5266751 | Cluster of loudspeaker cabinets having adjustable splay angle | — | 1993-11-30 |
| 4207964 | Sound absorbing and diffusing unit, an acoustic screen and a decorative sound absorbing panel | — | 1980-06-17 |