Issued Patents All Time
Showing 51–75 of 79 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6452837 | Nonvolatile semiconductor memory and threshold voltage control method therefor | Seiichi Mori, Hiroyuki Sasaki, Hideo Kato | 2002-09-17 |
| 6404592 | Magnetic head producing method | Tomoo Otsuka, Masahiro Iizuka | 2002-06-11 |
| 6377502 | Semiconductor device that enables simultaneous read and write/erase operation | Yasuhiko Honda, Hideo Kato, Masao Kuriyama, Tokumasa Hara, Takafumi Ikeda +1 more | 2002-04-23 |
| 6320428 | Semiconductor integrated circuit device | Shigeru Atsumi, Masao Kuriyama, Akira Umezawa, Hironori Banba, Tadayuki Taura | 2001-11-20 |
| 6320800 | Semiconductor memory and nonvolatile semiconductor memory having redundant circuitry for replacing defective memory cell | Masao Kuriyama, Yasuhiko Honda, Hideo Kato | 2001-11-20 |
| 6271994 | Magnetic head having a thin film element | Tomoo Otsuka, Masahiro Iizuka | 2001-08-07 |
| 6262916 | Non-volatile semiconductor memory device capable of pre-conditioning memory cells prior to a data erasure | Masao Kuriyama, Tadayuki Taura | 2001-07-17 |
| 6222779 | Semiconductor storage device with automatic write/erase function | Hideo Kato, Naoto Tomita, Tokumasa Hara | 2001-04-24 |
| 6120583 | Exhaust gas purifier and operating method thereof | Kenji Matsunuma | 2000-09-19 |
| 6111456 | Semiconductor circuit | Shigeru Atsumi, Akira Umezawa | 2000-08-29 |
| 6102976 | Exhaust gas purifier | Masataka Oji, Shiro Nakajima, Satoru Okamoto | 2000-08-15 |
| 6094373 | Nonvolatile semiconductor memory device | — | 2000-07-25 |
| 6078525 | Non-volatile semiconductor memory device capable of pre-conditioning memory cells prior to a data erasure | Masao Kuriyama, Tadayuki Taura | 2000-06-20 |
| 6052313 | Semiconductor integrated circuit device | Shigeru Atsumi, Masao Kuriyama, Akira Umezawa, Hironori Banba, Tadayuki Taura | 2000-04-18 |
| 6029444 | Three-way valve and exhaust gas purifier using the same | Hajime Nakamura, Satoru Itsuaki, Kunihide Sakaguchi, Shiro Nakajima | 2000-02-29 |
| 5938802 | Exhaust gas purifier | Katsuhiko Yoro, Shiro Nakajima, Noboru Yamasaki | 1999-08-17 |
| 5920508 | Semiconductor memory device | Tadashi Miyakawa | 1999-07-06 |
| 5908047 | Three-way valve and exhaust gas purifier using the same | Hajime Nakamura, Satoru Itsuaki, Kunihide Sakaguchi, Shiro Nakajima | 1999-06-01 |
| 5873816 | Electronic endoscope having an insertional portion a part of which is a conductive armor | Hiroaki Kagawa, Katsuyuki Saito, Nobuyuki Sakamoto | 1999-02-23 |
| 5805510 | Data erase mechanism for nonvolatile memory of boot block type | Tadashi Miyakawa, Masao Kuriyama, Tadayuki Taura | 1998-09-08 |
| 5633062 | Method of manufacturing rotation sensor and structure of rotation sensor | Masahiro Kume | 1997-05-27 |
| 5566113 | Semiconductor memory circuit having verify mode | Tadashi Miyakawa | 1996-10-15 |
| 5460168 | Endoscope cover assembly and cover-system endoscope | Ryouji Masubuchi, Osamu Tamada, Yoshihiro Iida, Jin Kira, Hiroki Moriyama | 1995-10-24 |
| 5380319 | Heat using therapeutic device | Makoto Inaba, Motoyuki Tagawa, Toru Nagase | 1995-01-10 |
| 5359894 | Acceleration detector having highly accurate gaps in magnetic circuit including a differential transformer | Masahiro Kume | 1994-11-01 |