Partial year: Data through Q3 2025 (Sept 30). Full-year totals not yet available.
TK

Takashi Kasahara

HK Hamamatsu Photonics K.K.: 5 patents #7 of 265Top 3%
Overall (2025): #19,889 of 469,880Top 5%
5
Patents 2025

Issued Patents 2025

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12392661 Production method for Fabry-Perot interference filter Katsumi Shibayama, Masaki Hirose, Toshimitsu Kawai, Hiroki Oyama, Yumi Kuramoto 2025-08-19
12360356 Optical filter device and method for controlling optical filter device Katsumi Shibayama, Masaki Hirose, Toshimitsu Kawai, Hiroki Oyama, Yumi Kuramoto 2025-07-15
12259275 Control device, optical filter system, and control method Peter Seitz, Helmut Teichmann, Katsumi Shibayama 2025-03-25
12253413 Light detection device Hiroki Oyama, Katsumi Shibayama, Masaki Hirose, Toshimitsu Kawai, Yumi Kuramoto 2025-03-18
12241782 Transportation method Hiroki Oyama, Katsumi Shibayama, Masaki Hirose, Toshimitsu Kawai, Yumi Kuramoto 2025-03-04