Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7724606 | Interface circuit | Tokuya Osawa, Masaru Haraguchi, Hiroshi Kinoshita | 2010-05-25 |
| 6658639 | Semiconductor integrated circuit provided with determination circuit | — | 2003-12-02 |
| 6442644 | Memory system having synchronous-link DRAM (SLDRAM) devices and controller | David Gustavson, David V. James, Hans A. Wiggers, Peter B. Gillingham, Cormac Michael O'Connell +9 more | 2002-08-27 |
| 6421291 | Semiconductor memory device having high data input/output frequency and capable of efficiently testing circuit associated with data input/output | Naoya Watanabe | 2002-07-16 |
| 6392897 | Circuit module | Yasunobu Nakase, Tsutomu Yoshimura, Naoya Watanabe | 2002-05-21 |
| 6304502 | Semiconductor memory device connected to memory controller and memory system employing the same | Naoya Watanabe | 2001-10-16 |
| 6160434 | Ninety-degree phase shifter | Tsutomu Yoshimura, Yasunobu Nakase, Naoya Watanabe | 2000-12-12 |
| 6101151 | Synchronous semiconductor memory device employing temporary data output stop scheme | Naoya Watanabe, Tsutomu Yoshimura, Yasunobu Nakase | 2000-08-08 |
| 5994934 | Delay locked loop circuit | Tsutomu Yoshimura, Yasunobu Nakase, Naoya Watanabe, Harufusa Kondoh, Hiromi Notani | 1999-11-30 |
| 5995435 | Semiconductor memory device having controllable supplying capability of internal voltage | Takeshi Hamamoto, Kiyohiro Furutani | 1999-11-30 |
| 5963502 | Clock-synchronous type semiconductor memory device capable of outputting read clock signal at correct timing | Naoya Watanabe, Tsutomu Yoshimura, Yasunobu Nakase | 1999-10-05 |
| 5926837 | Memory system capable of reducing timing skew between clock signal and data | Naoya Watanabe | 1999-07-20 |
| 5841705 | Semiconductor memory device having controllable supplying capability of internal voltage | Takeshi Hamamoto, Kiyohiro Furutani | 1998-11-24 |
| 5699303 | Semiconductor memory device having controllable supplying capability of internal voltage | Takeshi Hamamoto, Kiyohiro Furutani | 1997-12-16 |
| 5586076 | Semiconductor memory device permitting high speed data transfer and high density integration | Hiroshi Miyamoto, Kiyohiro Furutani, Shigeru Kikuda | 1996-12-17 |
| 5574729 | Redundancy circuit for repairing defective bits in semiconductor memory device | Mitsuya Kinoshita, Shigeru Mori, Hiroshi Miyamoto, Shigeru Kikuda, Makoto Suwa | 1996-11-12 |
| 5537351 | Semiconductor memory device carrying out input and output of data in a predetermined bit organization | Makoto Suwa, Kiyohiro Furutani | 1996-07-16 |
| 5481496 | Semiconductor memory device and method of data transfer therefor | Toshifumi Kobayashi, Michihiro Yamada, Takeshi Hamamoto | 1996-01-02 |
| 5481497 | Semiconductor memory device providing external output data signal in accordance with states of true and complementary read buses | Tadaaki Yamauchi, Hiroshi Miyamoto, Kiyohiro Furutani, Makiko Aoki | 1996-01-02 |
| 5469402 | Buffer circuit of a semiconductor memory device | Tadaaki Yamauchi, Kei Hamade | 1995-11-21 |
| 5404329 | Boosting circuit improved to operate in a wider range of power supply voltage, and a semiconductor memory and a semiconductor integrated circuit device using the same | Tadato Yamagata | 1995-04-04 |
| 5384784 | Semiconductor memory device comprising a test circuit and a method of operation thereof | Shigeru Mori, Makoto Suwa, Hiroshi Miyamoto, Shigeru Kikuda, Mitsuya Kinoshita | 1995-01-24 |
| 5357478 | Semiconductor integrated circuit device including a plurality of cell array blocks | Shigeru Kikuda, Shigeru Mori, Hiroshi Miyamoto, Makoto Suwa, Mitsuya Kinoshita | 1994-10-18 |
| 5323348 | Semiconductor memory device having multiple memory arrays and including redundancy circuit for repairing a faulty bit | Shigeru Mori, Hiroshi Miyamoto, Mitsuya Kinoshita, Makoto Suwa, Shigeru Kikuda +1 more | 1994-06-21 |
| 5321654 | Semiconductor device having no through current flow in standby period | Hiroshi Miyamoto, Shigeru Mori, Shigeru Kikuda, Makoto Suwa, Mitsuya Kinoshita | 1994-06-14 |