TK

Takashi Kasahara

HK Hamamatsu Photonics K.K.: 53 patents #23 of 1,436Top 2%
OL Olympus: 12 patents #348 of 3,097Top 15%
Canon: 9 patents #6,722 of 19,416Top 35%
NC Nidec Copal: 6 patents #17 of 172Top 10%
OC Olympus Optical Co.: 3 patents #953 of 2,334Top 45%
SE Seiko Epson: 2 patents #4,555 of 7,774Top 60%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
AA Autoliv Development Ab: 1 patents #518 of 1,363Top 40%
Overall (All Time): #13,357 of 4,157,543Top 1%
104
Patents All Time

Issued Patents All Time

Showing 1–25 of 104 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
12169143 Light detection device Katsumi Shibayama, Kei Tabata, Masaki Hirose, Hiroki Oyama, Yumi Kuramoto 2024-12-17
12123799 Electrical inspection method Katsumi Shibayama, Masaki Hirose, Toshimitsu Kawai, Hiroki Oyama, Yumi Kuramoto 2024-10-22
11947140 Suctioning method Masaki Hirose, Katsumi Shibayama, Toshimitsu Kawai, Hiroki Oyama, Yumi Kuramoto 2024-04-02
11865701 Suction method Masaki Hirose, Katsumi Shibayama, Toshimitsu Kawai, Hiroki Oyama, Yumi Kuramoto 2024-01-09
11835388 Light detection device Masaki Hirose, Katsumi Shibayama, Toshimitsu Kawai, Hiroki Oyama, Yumi Teramachi 2023-12-05
11796391 Light detection device Katsumi Shibayama, Kei Tabata, Masaki Hirose, Hiroki Oyama, Yumi Kuramoto 2023-10-24
11624902 Wafer inspection method and wafer Yumi Kuramoto, Katsumi Shibayama, Masaki Hirose, Toshimitsu Kawai, Hiroki Oyama 2023-04-11
11609420 Wafer Toshimitsu Kawai, Katsumi Shibayama, Masaki Hirose, Hiroki Oyama, Yumi Kuramoto 2023-03-21
11592332 Transportation method Hiroki Oyama, Katsumi Shibayama, Masaki Hirose, Toshimitsu Kawai, Yumi Kuramoto 2023-02-28
11555741 Optical detection device having adhesive member Masaki Hirose, Katsumi Shibayama, Toshimitsu Kawai, Takehiko Yashiro, Mitsushi Mineno +1 more 2023-01-17
11480783 Optical filter system Helmut Teichmann, Andreas Durandi, Peter Seitz, Katsumi Shibayama 2022-10-25
11448553 Light detection device Masaki Hirose, Katsumi Shibayama, Toshimitsu Kawai, Hiroki Oyama 2022-09-20
11448869 Wafer Toshimitsu Kawai, Katsumi Shibayama, Masaki Hirose, Hiroki Oyama, Yumi Kuramoto 2022-09-20
11422059 Optical inspection device and optical inspection method Katsumi Shibayama, Masaki Hirose, Toshimitsu Kawai, Hiroki Oyama, Yumi Kuramoto 2022-08-23
11294170 Method for removing foreign matter and method for manufacturing optical detection device Masaki Hirose, Katsumi Shibayama, Toshimitsu Kawai, Hiroki Oyama, Yumi Kuramoto 2022-04-05
11199687 Dry objective 2021-12-14
11156500 Optical measurement control program, optical measurement system, and optical measurement method Katsumi Shibayama, Masaki Hirose, Toshimitsu Kawai, Hiroki Oyama, Yumi Kuramoto 2021-10-26
11118972 Optical detection device having adhesive member Masaki Hirose, Katsumi Shibayama, Toshimitsu Kawai, Takehiko Yashiro, Mitsushi Mineno +1 more 2021-09-14
11054560 Fabry-Perot interference filter and light-detecting device Toshimitsu Kawai, Katsumi Shibayama, Masaki Hirose, Hiroki Oyama, Yumi Teramachi 2021-07-06
11041755 Production method for Fabry-Perot interference filter Katsumi Shibayama, Masaki Hirose, Toshimitsu Kawai, Hiroki Oyama, Yumi Kuramoto 2021-06-22