Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8005464 | Portable cellular phone system, and portable cellular phone terminal device, and information transmitting center used in same system | — | 2011-08-23 |
| 7778668 | Portable cellular phone system and portable cellular phone terminal device used in same system | — | 2010-08-17 |
| 5482735 | Method for making multi-layer ceramic packages | Takatoshi Irie | 1996-01-09 |
| 5345038 | Multi-layer ceramic packages | Takatoshi Irie | 1994-09-06 |
| 5231036 | Method of using a contamination shield during the manufacture of EPROM semiconductor package windows | Hiroshi Yonemasu, Bakji Cho | 1993-07-27 |
| 5196919 | Use of a contamination shield during the manufacture of semiconductor packages | Hiroshi Yonemasu, Bakji Cho | 1993-03-23 |
| 5137767 | Partially coated assembly structure and method for making a ceramic lid for hermetic sealing of an eprom circuit | Hiroshi Yonemasu, Bakji Cho, Chong-il Park | 1992-08-11 |
| 5043004 | Method for making a ceramic lid for hermetic sealing of an EPROM circuit | — | 1991-08-27 |
| 4232815 | Integrated circuit lead coupling device and method | Masahiko Nakano | 1980-11-11 |