Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12393220 | Substrate current suppression circuit, reference voltage generation circuit, and semiconductor device | Shinzo Koyama, Tatsuya Kabe, Masaki Tamaru | 2025-08-19 |
| 12007478 | Distance measuring device, distance measuring system, distance measuring method, and program | Shinzo Koyama, Motonori Ishii, Shigetaka Kasuga | 2024-06-11 |
| 10764505 | Projection image pickup device and projection image pickup method | Masato Takemoto, Shinzo Koyama, Shigeru Saitou, Motonori Ishii | 2020-09-01 |
| 8013650 | Phase adjustment circuit | Shiro Dosho, Shiro Sakiyama, Yusuke Tokunaga, Seiji Watanabe | 2011-09-06 |