Issued Patents All Time
Showing 101–125 of 175 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6377502 | Semiconductor device that enables simultaneous read and write/erase operation | Yasuhiko Honda, Hidetoshi Saito, Masao Kuriyama, Tokumasa Hara, Takafumi Ikeda +1 more | 2002-04-23 |
| 6337161 | Mask structure exposure method | Keiko Chiba, Hiroshi Maehara | 2002-01-08 |
| 6320800 | Semiconductor memory and nonvolatile semiconductor memory having redundant circuitry for replacing defective memory cell | Hidetoshi Saito, Masao Kuriyama, Yasuhiko Honda | 2001-11-20 |
| 6317274 | Optical element | Hiroshi Maehara | 2001-11-13 |
| 6278638 | Pulse generator circuit and semiconductor memory provided with the same | Naoto Tomita, Takafumi Ikeda | 2001-08-21 |
| 6268071 | Organic electroluminescent device | Kouji Yasukawa, Hiroyuki Endo, Junichi Shimamura, Osamu Onitsuka, Akira Ebisawa | 2001-07-31 |
| 6249850 | Semiconductor memory device and method for copying data stored therein | — | 2001-06-19 |
| 6243125 | Optical printer head for an optical printer | Tomohiko Yuge, Toshiaki Nakahara, Yuuichi Kimura | 2001-06-05 |
| 6226028 | Optical printer head which prevents dust from being generated therein or entering thereinto when in operation or disassembled | Toshiaki Nakahara, Tomohiko Yuge, Yuuichi Kimura | 2001-05-01 |
| 6226246 | Apparatus and method for measuring characteristics of optical pickup and/or optical disc | Akihito Nakayama, Kenji Shintani, Shunsuke Kohama, Yukari Hashimoto | 2001-05-01 |
| 6222779 | Semiconductor storage device with automatic write/erase function | Hidetoshi Saito, Naoto Tomita, Tokumasa Hara | 2001-04-24 |
| 6187468 | Electrodes for fuel cells | Hiroshi Shinkai, Ichirou Tanaka, Minako Onodera, Kazuhiko Iwasaki, Tsugio Ohba +1 more | 2001-02-13 |
| 6175990 | Hinge device | Oriya Fujita | 2001-01-23 |
| 6172911 | Non-volatile semiconductor memory device with an improved verify voltage generator | Tomoharu Tanaka, Masaki Momodomi, Hiroto Nakai, Yoshiyuki Tanaka, Riichiro Shirota +8 more | 2001-01-09 |
| 6104194 | Method of detecting secondary electron charge in a cathode ray tube | — | 2000-08-15 |
| 6098907 | Dismantling method of tank or the like | — | 2000-08-08 |
| 6094701 | Semiconductor memory device | Yoshio Mochizuki | 2000-07-25 |
| 5949703 | Semiconductor memory device in which data in programmable ROM can be apparently rewritten | Noboru Shibata, Taira Iwase, Kenji Yano | 1999-09-07 |
| 5924123 | Semiconductor storage apparatus with copy guard function | Yoshio Mochizuki | 1999-07-13 |
| 5909399 | Non-volatile semiconductor memory device and memory system using the same | Tomoharu Tanaka, Masaki Momodomi, Hiroto Nakai, Yoshiyuki Tanaka, Riichiro Shirota +8 more | 1999-06-01 |
| 5882826 | Membrane and mask, and exposure apparatus using the mask, and device producing method using the mask | Keiko Chiba, Hiroshi Maehara | 1999-03-16 |
| 5852575 | Apparatus and method for reading multi-level data stored in a semiconductor memory | Nobutake Sugiura, Yoshio Mochizuki | 1998-12-22 |
| 5818791 | Non-volatile semiconductor memory device and memory system using the same | Tomoharu Tanaka, Masaki Momodomi, Hiroto Nakai, Yoshiyuki Tanaka, Riichiro Shirota +8 more | 1998-10-06 |
| 5793696 | Non-volatile semiconductor memory device and memory system using the same | Tomoharu Tanaka, Masaki Momodomi, Hiroto Nakai, Yoshiyuki Tanaka, Riichiro Shirota +8 more | 1998-08-11 |
| 5773177 | X-ray mask structure, and X-ray exposure process | Tsutomu Ikeda, Masao Sugata | 1998-06-30 |