Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7526399 | Method of delay calculation in integrated circuit, and timing analysis system using the same | Tetsuya Akimoto | 2009-04-28 |
| 6954103 | Semiconductor device having internal voltage generated stably | Tadaaki Yamauchi, Takeo Okamoto, Makoto Suwa, Tetsuichiro Ichiguchi, Hideki Yonetani +2 more | 2005-10-11 |
| 6873563 | Semiconductor circuit device adaptable to plurality of types of packages | Makoto Suwa, Tadaaki Yamauchi, Takeo Okamoto, Tetsuichiro Ichiguchi, Hideki Yonetani +2 more | 2005-03-29 |
| 6813210 | Semiconductor memory device requiring refresh operation | Takeo Okamoto, Tetsuichiro Ichiguchi, Hideki Yonetani, Tsutomu Nagasawa, Tadaaki Yamauchi +2 more | 2004-11-02 |
| 6784718 | Semiconductor device adaptable to a plurality of kinds of interfaces | Takeo Okamoto, Tadaaki Yamauchi, Shinichi Jinbo, Makoto Suwa | 2004-08-31 |
| 6775177 | Semiconductor memory device switchable to twin memory cell configuration | Takeo Okamoto, Tetsuichiro Ichiguchi, Hideki Yonetani, Tsutomu Nagasawa, Makoto Suwa +2 more | 2004-08-10 |
| 6765838 | Refresh control circuitry for refreshing storage data | Tadaaki Yamauchi, Takeo Okamoto | 2004-07-20 |
| 6744298 | Semiconductor device | Tadaaki Yamauchi, Takeo Okamoto | 2004-06-01 |
| 6731558 | Semiconductor device | Tadaaki Yamauchi, Takeo Okamoto | 2004-05-04 |
| 6724223 | Semiconductor device used in two systems having different power supply voltages | Tetsuichiro Ichiguchi, Tsutomu Nagasawa, Tadaaki Yamauchi, Zengcheng Tian, Makoto Suwa +2 more | 2004-04-20 |
| 6724679 | Semiconductor memory device allowing high density structure or high performance | Tsutomu Nagasawa, Hideki Yonetani, Kozo Ishida, Shinichi Jinbo, Makoto Suwa +3 more | 2004-04-20 |
| 6721223 | Semiconductor memory device | Tadaaki Yamauchi, Takeo Okamoto | 2004-04-13 |
| 6717460 | Semiconductor device | Tadaaki Yamauchi, Takeo Okamoto, Zengcheng Tian | 2004-04-06 |
| 6714461 | Semiconductor device with data output circuit having slew rate adjustable | Tadaaki Yamauchi, Takeo Okamoto | 2004-03-30 |
| 6697296 | Clock synchronous semiconductor memory device | Tadaaki Yamauchi, Takeo Okamoto | 2004-02-24 |
| 6650582 | Semiconductor memory device | Tadaaki Yamauchi, Takeo Okamoto | 2003-11-18 |
| 6625050 | Semiconductor memory device adaptable to various types of packages | Makoto Suwa, Shinichi Jinbo, Zengcheng Tian, Takeo Okamoto, Kozo Ishida +3 more | 2003-09-23 |
| 6552959 | Semiconductor memory device operable for both of CAS latencies of one and more than one | Tadaaki Yamauchi, Takeo Okamoto | 2003-04-22 |
| 6512715 | Semiconductor memory device operating with low power consumption | Takeo Okamoto, Tadaaki Yamauchi | 2003-01-28 |
| 6346482 | Semiconductor device having an improved contact structure and a manufacturing method thereof | Shigenori Sakamori, Akemi Teratani, Yoshihiro Kusumi, Tetsuhiro Fukao, Kazuyuki Ohmi +2 more | 2002-02-12 |
| 5881017 | Synchronous semiconductor memory device allowing fast operation in either of prefetch operation and full page mode operation | Hisashi Iwamoto | 1999-03-09 |
| 5877081 | Method of manufacturing semiconductor device | Shigenori Sakamori | 1999-03-02 |
| 5668052 | Method of manufacturing semiconductor device | Shigenori Sakamori | 1997-09-16 |
| 5315560 | Semiconductor memory device having a write per bit function in page mode | Masaki Nishimoto | 1994-05-24 |
| 5313431 | Multiport semiconductor memory device | Koji Uruma, Kazunari Inoue | 1994-05-17 |