Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11803822 | Information management apparatus | Yu Murai, Satoshi Onodera, Tsubasa Uchida | 2023-10-31 |
| 10497445 | Memory control circuit, memory, and memory control method | Masazumi Maeda | 2019-12-03 |
| 10002670 | Memory and memory control method | Masazumi Maeda | 2018-06-19 |
| 9905880 | Fuel cell stack | Masahiro Mohri, Yasunori Kotani, Masaru Oda, Yasuhiro Watanabe, Akihiro Matsui +4 more | 2018-02-27 |
| 9508421 | Memory device, storage apparatus and method for diagnosing slow memory cells | Michiyo Garbe, Osamu Ishibashi, Yoshinori Mesaki | 2016-11-29 |
| 8924671 | Semiconductor storage device and control method thereof | Osamu Ishibashi | 2014-12-30 |
| 8856474 | Nonvolatile memory unit with secure erasing function | Michiyo Garbe, Jin Abe | 2014-10-07 |
| 8687454 | Semiconductor storage apparatus and semiconductor integrated circuit | Jin Abe, Osamu Ishibashi | 2014-04-01 |
| 7974131 | Nonvolatile memory comprising a circuit capable of memory life time recognizing | — | 2011-07-05 |
| 7601454 | Polymer electrolyte fuel cell | Ryoichiro Takahashi, Chikara Iwasawa, Yoichi Asano, Hideki Watanabe, Atsuhito Yoshizawa +2 more | 2009-10-13 |
| 7298642 | Magnetic resistance memory and method of writing data | — | 2007-11-20 |
| 7157175 | Solid polymer electrolyte membrane fuel cell electrode catalyst layer | Takashi Komura, Yoichi Asano, Ryoichiro Takahashi, Hiromichi Yoshida | 2007-01-02 |
| 6998186 | Fuel cell stack | Shuji Sato, Koji Okazaki | 2006-02-14 |
| 6833204 | Method of operating phosphoric acid fuel cell | Hiroyuki Oyanagi, Shuji Sato, Takafumi Okamoto | 2004-12-21 |
| 6767661 | Fuel cell system and method for operating the same | Takafumi Okamoto, Shuji Sato | 2004-07-27 |
| 6703152 | Method of operating phosphoric acid fuel cell | Teruaki Komiya, Masaru Iguchi | 2004-03-09 |
| 5760758 | Method of driving display device | Takeshi Seike, Koichi Kajimoto | 1998-06-02 |
| 5663744 | Driving method for a liquid crystal display | Takeshi Seike | 1997-09-02 |
| 5621306 | Temperature compensation voltage-generating circuit | — | 1997-04-15 |
| 5528267 | Tablet integrated with display | — | 1996-06-18 |
| 5510814 | Drive voltage generating device for liquid crystal display device | — | 1996-04-23 |
| 5418551 | Tablet integrated with display | — | 1995-05-23 |
| 5283556 | Tablet integrated with display | — | 1994-02-01 |
| 5266943 | Data transmission system | Hidehiko Tanaka, Katsuyuki Machimno, Toshiyuki Matsubara, Teiji Terasaka | 1993-11-30 |
| 5257307 | Radio pager system which transmits secret coded messages from a caller to a pager terminal apparatus | — | 1993-10-26 |