Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8879335 | Input circuit | Masaru Koyanagi | 2014-11-04 |
| 8208333 | Semiconductor memory device | — | 2012-06-26 |
| 7911864 | Semiconductor memory device | — | 2011-03-22 |
| 7683491 | Semiconductor device | Masaru Koyanagi | 2010-03-23 |
| 7144847 | Detergent | Kazuyuki Hamada | 2006-12-05 |
| 5298078 | Cleaning composition for a molding machine and a cleaning method | Narimichi Murahara | 1994-03-29 |