Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8806107 | Semiconductor integrated circuit and method of controlling memory | — | 2014-08-12 |
| 7533275 | Data processing apparatus and memory card using the same | — | 2009-05-12 |
| 7126371 | Multi-function IC card | Shinichi Hasebe | 2006-10-24 |
| 6735105 | Semiconductor circuit supplied with a varying power supply voltage, and method for operating the same | — | 2004-05-11 |
| 6575373 | Security card and a computer system provided with an interface for reading a security card | — | 2003-06-10 |
| 6375082 | Portable electronic device with contacting and noncontacting interfaces | Tsutomu Kobayashi, Masatsugu Mukuge, Aki Fukuda | 2002-04-23 |
| 6363456 | IC card, IC card processing system, and IC card processing method | — | 2002-03-26 |
| 5185082 | Method for evaluating the virus-removing capability of a porous polymeric membrane module for removing viruses | Seiichi Manabe | 1993-02-09 |
| 4787977 | Blood-purifying membrane | Kazushige Seita, Kazuo Imamura, Tetsuo Watanabe | 1988-11-29 |
| 4264173 | Lens tube guide frame for use in lens tube retractable type camera | Akio Furukawa, Kousaku Sawabe, Fumihiro Miyagawa, Atushi Tokunaga | 1981-04-28 |