Issued Patents All Time
Showing 1–25 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9552881 | Search system comprising first and second search units with different search schemes that respectively use specific and non-specific bit strings of search key | Koji Yamamoto | 2017-01-24 |
| 9135966 | Semiconductor device including memory capable of reducing power consumption | Yuji Yano, Kazunari Inoue | 2015-09-15 |
| 8625360 | Semiconductor storage device operative to search for data | Yuji Yano, Koji Yamamoto | 2014-01-07 |
| 6763079 | Semiconductor device allowing easy confirmation of operation of built in clock generation circuit | — | 2004-07-13 |
| 6741507 | Semiconductor device outputting data at a timing with reduced jitter | — | 2004-05-25 |
| 6720807 | Semiconductor device with clock generation circuit | Takashi Kubo | 2004-04-13 |
| 6489823 | Semiconductor device capable of generating highly precise internal clock | — | 2002-12-03 |
| 6452849 | Semiconductor device with test mode for performing efficient calibration of measuring apparatus | — | 2002-09-17 |
| 6434661 | Synchronous semiconductor memory including register for storing data input and output mode information | Yasuhiro Konishi, Katsumi Dosaka, Kouji Hayano, Masaki Kumanoya, Akira Yamazaki | 2002-08-13 |
| 6396747 | Semiconductor memory device capable of high speed input/output of wide bandwidth data by improving usage efficiency of external data bus | Takashi Kubo | 2002-05-28 |
| 6356484 | Semiconductor memory device | Katsumi Dosaka, Masaki Kumanoya, Yasuhiro Konishi, Katsumitsu Himukashi, Kouji Hayano +4 more | 2002-03-12 |
| 6338113 | Memory module system having multiple memory modules | Takashi Kubo, Kenichi Yasuda | 2002-01-08 |
| 6333873 | Semiconductor memory device with an internal voltage generating circuit | Masaki Kumanoya, Katsumi Dosaka, Yasuhiro Konishi, Akira Yamazaki, Kouji Hayano | 2001-12-25 |
| 6292040 | Internal clock signal generating circuit having function of generating internal clock signals which are multiplication of an external clock signal | Wataru Sakamoto, Naoya Watanabe | 2001-09-18 |
| 6184738 | Input buffer for supplying semiconductor device with internal signal based on comparison of external signal with reference potential | Aiko Nishino, Wataru Sakamoto | 2001-02-06 |
| 6170036 | Semiconductor memory device and data transfer circuit for transferring data between a DRAM and a SRAM | Yasuhiro Konishi, Katsumi Dosaka, Kouji Hayano, Masaki Kumanoya, Akira Yamazaki | 2001-01-02 |
| 6163491 | Synchronous semiconductor memory device which can be inspected even with low speed tester | Takashi Kubo | 2000-12-19 |
| 6151273 | Synchronous semiconductor memory device | Takeshi Kajimoto | 2000-11-21 |
| RE36875 | Semiconductor memory device capable of performing test mode operation and method of operating such semiconductor device | Masaki Kumanoya, Katsumi Dosaka, Yasuhiro Konishi, Akira Yamazaki | 2000-09-19 |
| 6118730 | Phase comparator with improved comparison precision and synchronous semiconductor memory device employing the same | Takashi Kubo, Yasumitsu Murai | 2000-09-12 |
| 6052329 | Output circuit and synchronous semiconductor memory device having a function of preventing output of invalid data | Aiko Nishino | 2000-04-18 |
| 6026029 | Semiconductor memory device | Katsumi Dosaka, Masaki Kumanoya, Kouji Hayano, Akira Yamazaki, Hideaki Abe +4 more | 2000-02-15 |
| 5946266 | Synchronous semiconductor memory device capable of reducing delay time at data input/output line upon data input | Yasuhiro Konishi | 1999-08-31 |
| 5946268 | Internal clock signal generation circuit including delay line, and synchronous type semiconductor memory device including internal clock signal | Yasumitsu Murai | 1999-08-31 |
| 5940328 | Synchronous semiconductor device with memory chips in a module for controlling output of strobe signal for trigger in reading data | Wataru Sakamoto | 1999-08-17 |