Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10492294 | Printed wiring board | Yasuo Fukuda | 2019-11-26 |
| 9583629 | Semiconductor device | Jun Nishimura, Nobuaki Yasutake | 2017-02-28 |
| 9368196 | Semiconductor memory device | Kei Sakamoto, Nobuaki Yasutake, Jun Nishimura | 2016-06-14 |
| 9184217 | Memory device | Nobuaki Yasutake | 2015-11-10 |
| 9142288 | Semiconductor memory device | Kei Sakamoto, Masaki Kondo, Nobuaki Yasutake | 2015-09-22 |
| 9111858 | Non-volatile semiconductor memory device and method for manufacturing the same | Jun Nishimura, Nobuaki Yasutake, Kei Sakamoto | 2015-08-18 |
| 8937830 | Semiconductor memory device | Kei Sakamoto, Nobuaki Yasutake, Jun Nishimura | 2015-01-20 |
| 8923031 | Semiconductor memory device | Kei Sakamoto, Masaki Kondo, Nobuaki Yasutake | 2014-12-30 |
| 8907318 | Resistance change memory | Takeshi Sonehara, Takashi Shigeoka, Masaki Kondo | 2014-12-09 |
| 8791552 | Semiconductor memory device and method for manufacturing the same | Jun Nishimura, Nobuaki Yasutake | 2014-07-29 |
| 8598649 | Nonvolatile semiconductor memory device and method for manufacturing same | Noboru Ooike, Wataru Sakamoto, Takashi Izumida | 2013-12-03 |
| 7960779 | Nonvolatile semiconductor memory and manufacturing method thereof | Takayuki Toba, Moto Yabuki | 2011-06-14 |
| 7936005 | Semiconductor memory device including laminated gate having electric charge accumulating layer and control gate and method of manufacturing the same | — | 2011-05-03 |
| 7872296 | Semiconductor memory device | — | 2011-01-18 |
| 7795092 | Semiconductor device and manufacturing method thereof | Yasuyuki Matsuoka, Masaru Kito, Hideaki Aochi | 2010-09-14 |
| 7737041 | Semiconductor device and method of manufacturing the same | Masaru Kito, Hideaki Aochi | 2010-06-15 |
| 5070172 | Process for producing polyurethane | Koji Hirai, Shunro Taniguchi, Michihiro Ishiguro, Yoshifumi Murata, Shinichi Yokota +2 more | 1991-12-03 |
| 4833217 | Polycarbonate resin composition | Keishiro Igi, Shunro Taniguchi, Masao Ishii, Yoshifumi Murata, Shinichi Yokota +3 more | 1989-05-23 |
| 4725483 | Copolyester film and a method for production thereof | Masao Ishii, Keishiro Igi, Osamu Kusudo, Yoshito Hamamoto | 1988-02-16 |
| 4657973 | Polycarbonate resin composition | Hideki Endo, Kazuto Hashimoto, Kenji Tanaka, Takeshi Matsumoto, Keishiro Igi +4 more | 1987-04-14 |
| 4639471 | Process for producing polyester polyurethane | Koji Hirai, Shunro Taniguchi, Michihiro Ishiguro, Yoshifumi Murata, Shinichi Yokota +2 more | 1987-01-27 |
| 4551518 | Process for production of polyurethane | Mitsuo Matsumoto, Koji Hirai, Noriaki Yoshimura | 1985-11-05 |
| 4412022 | Polyurethane coating compositions prepared from a polymeric diol, an alicyclic diisocyanate, an alicyclic diamine and either hydrazine or isophthalic acid dihydrazide | Koji Hirai, Kenji Shirano | 1983-10-25 |
| 4367307 | Polyurethane composition having good light resistance | Koji Hirai, Kenji Shirano, Kazuo Hara | 1983-01-04 |