TK

Toshimitsu Kawai

HK Hamamatsu Photonics K.K.: 4 patents #25 of 265Top 10%
Overall (2025): #28,297 of 469,880Top 7%
4
Patents 2025

Issued Patents 2025

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12392661 Production method for Fabry-Perot interference filter Takashi Kasahara, Katsumi Shibayama, Masaki Hirose, Hiroki Oyama, Yumi Kuramoto 2025-08-19
12360356 Optical filter device and method for controlling optical filter device Takashi Kasahara, Katsumi Shibayama, Masaki Hirose, Hiroki Oyama, Yumi Kuramoto 2025-07-15
12253413 Light detection device Hiroki Oyama, Katsumi Shibayama, Takashi Kasahara, Masaki Hirose, Yumi Kuramoto 2025-03-18
12241782 Transportation method Hiroki Oyama, Katsumi Shibayama, Takashi Kasahara, Masaki Hirose, Yumi Kuramoto 2025-03-04