Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11846317 | Tapered roller bearing | Masaki Chishima, Hiroyuki Ohshima | 2023-12-19 |
| 11306774 | Tapered roller bearing | Makoto Zembutsu, Tomoyuki Miyazaki, Hiroki Maejima | 2022-04-19 |
| 7952410 | Semiconductor device and voltage-controlled oscillation circuit | Kunimitsu Kousaka, Kiyoshi Nishiwaki | 2011-05-31 |
| 7788573 | Fault detection method, test circuit and semiconductor device | — | 2010-08-31 |
| 7622959 | Phase comparator and semiconductor device with phase comparator | — | 2009-11-24 |
| 7551450 | External memory device | Norio Sugawara, Takashi Ando | 2009-06-23 |
| 7315213 | Semiconductor device and voltage-controlled oscillation circuit | Kunimitsu Kousaka, Kiyoshi Nishiwaki | 2008-01-01 |
| 4391702 | Method for classification of coals for coke production | Shozo Murakami, Kazuhiro Yokoyama, Yasuhiro Yone, Tokuji Yamaguchi | 1983-07-05 |
| 4310412 | Method for classification of coals for coke production | Syozo Murakami, Kazuhiro Yokoyama, Yasuhiro Yone, Tokuzi Yamaguchi | 1982-01-12 |