Issued Patents All Time
Showing 26–50 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8369129 | Semiconductor memory device with variable resistance element | Kenji Tsuchida | 2013-02-05 |
| 8282299 | Friction body, writing instrument and writing instrument set | Yoshihiro Ito, Shouichi Ohkawa | 2012-10-09 |
| 8233310 | Resistance-change memory | Shinichiro Shiratake | 2012-07-31 |
| 8173052 | Writing implement with thermochromic coloring color-memory composition | — | 2012-05-08 |
| 7869274 | Semiconductor memory device | Takashi Ohsawa | 2011-01-11 |
| 7859881 | Magnetic memory device and write/read method of the same | Yoshihisa Iwata, Yuui Shimizu | 2010-12-28 |
| 7794631 | Thermochromic coloring color-memory composition and thermochromic coloring color-memory microcapsule pigment containing the same | — | 2010-09-14 |
| 7708913 | Thermochromic coloring color-memory composition and thermochromic coloring color-memory microcapsule pigment containing the same | — | 2010-05-04 |
| 7675793 | Semiconductor memory device and driving method for the device | — | 2010-03-09 |
| 7663941 | Semiconductor memory device | — | 2010-02-16 |
| 7539069 | Semiconductor memory device | — | 2009-05-26 |
| 7494537 | Thermochromic coloring color-memory composition and thermochromic coloring color-memory microcapsule pigment containing the same | Yoshiaki Ono | 2009-02-24 |
| 7480198 | Semiconductor memory device and driving method of semiconductor memory device | — | 2009-01-20 |
| 7335624 | Reversible thermochromic display article | Kuniyuki Senga, Shigehiro Koide | 2008-02-26 |
| 7332109 | Thermally color-developing reversibly thermochromic pigment | Kuniyuki Senga, Shigehiro Koide | 2008-02-19 |
| 7277341 | Semiconductor memory device | Kosuke Hatsuda, Takashi Ohsawa | 2007-10-02 |
| 7269084 | Semiconductor memory device | Kosuke Hatsuda, Takashi Ohsawa | 2007-09-11 |
| 7235511 | Exhaust gas purifying catalyst | Tomohiko Kawamoto, Tadashi Tokuyama, Masahiko Shigetsu, Masaaki Akamine, Hisaya Kawabata +2 more | 2007-06-26 |
| 7027334 | Semiconductor memory device | Tamio Ikehashi, Takashi Ohsawa | 2006-04-11 |
| 6947318 | Magnetic random access memory | — | 2005-09-20 |
| 6842362 | Magnetic random access memory | Yoshihisa Iwata | 2005-01-11 |
| 6819585 | Magnetic random access memory | Yoshihisa Iwata | 2004-11-16 |
| 6567330 | Semiconductor memory device | Takashi Ohsawa | 2003-05-20 |
| 6494950 | Thermochromic microencapsulated pigments | Kuniyuki Senga | 2002-12-17 |
| 6468088 | Solid having reversibly invisible/visible thermochromic construction enclosed therein | Tsutomu Tomatsu, Nobuaki Matsunami | 2002-10-22 |