Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5295094 | Memory circuit | — | 1994-03-15 |
| RE34463 | Semiconductor memory device with active pull up | Yasuhiro Konishi, Kazuyasu Fujishima, Masaki Kumanoya, Hideto Hidaka, Katsumi Dosaka | 1993-11-30 |
| 5255235 | Dynamic random access memory with dummy word lines connected to bit line potential adjusting capacitors | — | 1993-10-19 |
| 5189639 | Semiconductor memory device having bit lines capable of partial operation | — | 1993-02-23 |
| 5079748 | Dynamic random access memory with read-write signal of shortened duration | Masaki Kumanoya, Hideto Hidaka, Hiroyuki Yamasaki, Yasuhiro Konishi, Yuto Ikeda | 1992-01-07 |
| 5019883 | Input protective apparatus of semiconductor device | Shigeru Mori, Michihiro Yamada, Shuji Murakami | 1991-05-28 |
| 5020031 | Dynamic semiconductor memory device having improved voltage read-out | — | 1991-05-28 |
| 4982367 | Dynamic random access memory with well-balanced read-out voltage on bit line pair and operating method therefor | — | 1991-01-01 |
| 4980864 | Semiconductor dynamic random access memory with relaxed pitch condition for sense amplifiers and method of operating the same | Ryoji Fukuhama | 1990-12-25 |
| 4945517 | Dynamic random access memory | Masaki Kumanoya, Hideto Hidaka, Hiroyuki Yamasaki | 1990-07-31 |
| 4934826 | Block partitioned dynamic semiconductor memory device | Hiroyuki Yamasaki, Masaki Shimoda, Kazuhiro Tsukamoto | 1990-06-19 |
| 4916666 | Dynamic random access memory device and operating method therefor | Ryouji Fukuhama | 1990-04-10 |
| 4903238 | Semiconductor memory device with improved immunity to supply voltage fluctuations | Masaki Kumanoya, Katsumi Dosaka | 1990-02-20 |
| 4903268 | Semiconductor memory device having on-chip error check and correction functions | Hideto Hidaka, Kazuyasu Fujishima, Masaki Kumanoya, Katsumi Dosaka, Tsutomu Yoshihara | 1990-02-20 |
| 4899313 | Semiconductor memory device with an improved multi-bit test mode | Masaki Kumanoya, Katsumi Dosaka, Yasuhiro Konishi | 1990-02-06 |
| 4896297 | Circuit for generating a boosted signal for a word line | Kazuyasu Fujishima, Masaki Kumanoya, Hideto Hidaka, Katsumi Dosaka, Yasuhiro Konishi | 1990-01-23 |
| 4890011 | On-chip substrate bias generating circuit having substrate potential clamp and operating method therefor | — | 1989-12-26 |
| 4843596 | Semiconductor memory device with address transition detection and timing control | Masaki Kumanoya, Hideto Hidaka, Yasuhiro Konishi, Katsumi Dosaka, Hiroyuki Yamasaki +3 more | 1989-06-27 |
| 4837747 | Redundary circuit with a spare main decoder responsive to an address of a defective cell in a selected cell block | Katsumi Dosaka, Masaki Kumanoya, Hideto Hidaka, Yasuhiro Konishi, Hiroyuki Yamasaki +3 more | 1989-06-06 |
| 4823322 | Dynamic random access memory device having an improved timing arrangement | Masaki Kumanoya, Hideto Hidaka, Yasuhiro Konishi, Katsumi Dosaka, Hiroyuki Yamasaki +3 more | 1989-04-18 |
| 4811304 | MDS decoder circuit with high voltage suppression of a decoupling transistor | Yoshio Matsuda, Kazuyasu Fujishima | 1989-03-07 |
| 4809230 | Semiconductor memory device with active pull up | Yasuhiro Konishi, Kazuyasu Fujishima, Masaki Kumanoya, Hideto Hidaka, Katsumi Dosaka | 1989-02-28 |
| 4760559 | Semiconductor memory device | Hideto Hidaka, Kazuyasu Fujishima, Masaki Kumanoya, Katsumi Dosaka | 1988-07-26 |
| 4757476 | Dummy word line driving circuit for a MOS dynamic RAM | Kazuyasu Fujishima, Masaki Kumanoya, Hideto Hidaka, Katsumi Dosaka, Tsutomu Yoshihara | 1988-07-12 |
| 4736343 | Dynamic RAM with active pull-up circuit | Hideto Hidaka, Kazuyasu Fujishima, Masaki Kumanoya, Katsumi Dosaka, Yasuhiro Konishi | 1988-04-05 |