Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9305220 | Spectrum measurement device | Ryuji Funayama, Shinya Kawamata, Tsutomu Ishi | 2016-04-05 |
| 9234800 | Spectrometer | Shinya Kawamata, Ryuji Funayama, Tsutomu Ishi | 2016-01-12 |
| 8854464 | Active visibility support apparatus and method for vehicle | Tsutomu Ishi, Ryuji Funayama, Shinya Kawamata | 2014-10-07 |
| 8422019 | Light measuring apparatus and light measuring method | Tsutomu Ishi, Ryuji Funayama, Shinya Kawamata | 2013-04-16 |