Issued Patents 2021
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D933510 | Spectrometer | Katsumi Shibayama, Katsuhiko Kato | 2021-10-19 |
| D933509 | Spectrometer | Katsumi Shibayama, Katsuhiko Kato | 2021-10-19 |
| 11022493 | Spectroscope and method for producing spectroscope | Katsumi Shibayama | 2021-06-01 |
| D913826 | Spectrometer | Katsumi Shibayama, Katsuhiko Kato | 2021-03-23 |
| D913132 | Spectrometer | Katsumi Shibayama, Katsuhiko Kato | 2021-03-16 |
| D911194 | Spectrometer | Katsumi Shibayama, Katsuhiko Kato | 2021-02-23 |
| D910471 | Spectrometer | Katsumi Shibayama, Katsuhiko Kato | 2021-02-16 |
| 10883877 | Spectroscope | Katsumi Shibayama, Katsuhiko Kato | 2021-01-05 |