Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7425727 | Optical semiconductor device, method for fabricating the same, lead frame and electronic equipment | Hiroyuki Shoji, Hideya Takakura | 2008-09-16 |
| 7410305 | Optical semiconductor device, optical communication device, and electronic equipment | Nobuyuki Ohe, Kazuhito Nagura, Hideya Takakura, Hiroyuki Shoji | 2008-08-12 |
| 7358535 | Photo-coupler semiconductor device and production method therefor | Hiroyuki Shoji, Hideya Takakura | 2008-04-15 |
| 7234231 | Method of manufacturing a lead frame | Hideya Takakura, Hiroyuki Shoji | 2007-06-26 |
| 6895664 | Method of making an optical coupling device | Hideya Takakura | 2005-05-24 |
| 6507035 | Photocoupler device, method for fabricating the same, and lead frame for photocoupler device | Yasushi Hasegawa, Hideya Takakura | 2003-01-14 |
| 6270712 | Molding die and marking method for semiconductor devices | Hiroyuki Shoji, Tsuneo Matsumura | 2001-08-07 |
| 5770867 | Photocoupler device with light-transmissive resin including fillers and a producing process thereof | Naoki Sata | 1998-06-23 |
| 5648687 | Resin for sealing compound semiconductor, semiconductor device, and process for manufacturing it | Yoshihiko Matsuo, Naoki Sata, Toshihumi Yoshikawa, Tsuneo Matsumura | 1997-07-15 |
| 5285076 | Optoelectronic device, metal mold for manufacturing the device and manufacturing method of the device using the metal mold | Katsunori Makiya | 1994-02-08 |
| 5245198 | Optoelectronic device, metal mold for manufacturing the device and manufacturing method of the device using the metal mold | Katsunori Makiya | 1993-09-14 |