Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11392650 | Data accumulation apparatus, data accumulation method, and program | Keiichiro KASHIWAGI, Hiroyuki Tanaka, Takayuki Nakamura, Yui Yoshida | 2022-07-19 |
| 9265387 | Electric incinerating toilet bowl and incineration control method for electric incinerating toilet bowl | Yuko Takizawa, Mayu Saita, Keiko Takizawa | 2016-02-23 |
| 8243539 | Nonvolatile semiconductor memory device | Shoichi Ozaki, Katsumi Abe | 2012-08-14 |
| 7408226 | Electronic card with protection against aerial discharge | — | 2008-08-05 |
| 7355875 | Nonvolatile semiconductor memory device having capacitor arranged between power supplies to prevent voltage fluctuation | — | 2008-04-08 |
| 7235829 | Electronic card with protection against aerial discharge | — | 2007-06-26 |
| 6952027 | Semiconductor integrated circuit device and electronic card using the same | — | 2005-10-04 |
| 5838613 | Semiconductor memory device having security function | — | 1998-11-17 |
| 5556800 | Method of manufacturing a mask read only memory (ROM) for storing multi-value data | Kazunori Kanebako | 1996-09-17 |
| 5386381 | Mask read only memory (ROM) for storing multi-value data | Kazunori Kanebako | 1995-01-31 |
| 5257230 | Memory device including redundancy cells with programmable fuel elements and process of manufacturing the same | Kazuhiko Nobori, Taira Iwase, Masamichi Asano, Shigefumi Ishiguro, Kazuo Yonehara +2 more | 1993-10-26 |
| 5208780 | Structure of electrically programmable read-only memory cells and redundancy signature therefor | Taira Iwase, Shigefumi Ishiguro, Kazuhiko Nobori | 1993-05-04 |
| 5124948 | Mask ROM with spare memory cells | Taira Iwase, Masamichi Asano, Yasunori Arime | 1992-06-23 |