Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12385783 | Infrared Raman device | Tomoyo TAO, Ryuta SHIBUTANI, Atsuhiko Otaguro, Fumiya KATSUTANI | 2025-08-12 |
| 12292383 | Raman infrared compound microscope device | Fumiya KATSUTANI, Tomoyo TAO, Atsuhiko Otaguro, Ryuta SHIBUTANI, Hisato Fukuda | 2025-05-06 |
| 10161872 | Optical measuring device and safety device used therein | — | 2018-12-25 |
| 9402059 | Microscope | Takeshi Maji, Kazumi Yokota | 2016-07-26 |
| 9068932 | Spectrophotometer | Toshiro Kimura, Daijiro Kato | 2015-06-30 |
| 7576841 | Photometric apparatus | — | 2009-08-18 |
| 7027151 | Spectrophotometer | Kazumi Yokota | 2006-04-11 |
| 5751420 | Spectropotometer with a field restrictor and its application to a colorimeter | Atsuhiro Iida, Kazumi Yokota, Eiji Ikeda | 1998-05-12 |