KF

Kazuue Fujita

HK Hamamatsu Photonics K.K.: 27 patents #57 of 1,436Top 4%
Overall (All Time): #141,566 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDate
D1082064 Light source module Akio Ito, Tatsuo DOUGAKIUCHI 2025-07-01
12244121 Quantum cascade laser Masahiro HITAKA 2025-03-04
12046875 Quantum cascade laser device Masahiro HITAKA, Atsushi Sugiyama, Kousuke Shibata 2024-07-23
11075315 Optical semiconductor element and method of manufacturing optical semiconductor element Masahiro HITAKA, Akio Ito, Tatsuo DOUGAKIUCHI, Tadataka Edamura 2021-07-27
10840406 Optical semiconductor element and method of driving optical semiconductor element Masamichi Yamanishi, Akira Higuchi, Toru Hirohata, Kazunori Tanaka, Yasufumi Takagi +2 more 2020-11-17
10809189 Optical measurement device and optical measurement method Kazuki Horita, Yoichi Kawada, Atsushi Nakanishi, Hironori Takahashi, Hiroshi SATOZONO 2020-10-20
10697891 Terahertz wave spectroscopic measurement device Atsushi Nakanishi, Kazuki Horita 2020-06-30
10591413 Fluid analyzer Tatsuo DOUGAKIUCHI, Akio Ito, Tadataka Edamura 2020-03-17
10439363 Method of manufacturing quantum cascade laser beam source Akio Ito, Daisuke Kawaguchi, Tatsuo DOUGAKIUCHI, Tadataka Edamura 2019-10-08
10014662 Quantum cascade laser Akio Ito, Tadataka Edamura, Tatsuo DOUGAKIUCHI 2018-07-03
10008829 Quantum cascade laser Tatsuo DOUGAKIUCHI, Akio Ito, Tadataka Edamura 2018-06-26
9929292 Quantum cascade detector Tatsuo DOUGAKIUCHI, Akio Ito, Tadataka Edamura 2018-03-27
9912119 Quantum cascade laser Akio Ito, Tatsuo DOUGAKIUCHI, Tadataka Edamura 2018-03-06
9484715 Quantum-cascade laser Tadataka Edamura, Naota Akikusa 2016-11-01
9368661 Photodetector Kazutoshi Nakajima, Toru Hirohata, Minoru Niigaki, Wataru AKAHORI 2016-06-14
9276144 Quantum cascade detector Toru Hirohata, Tadataka Edamura, Tatsuo DOUGAKIUCHI 2016-03-01
9168504 Fine-particle dispersion liquid manufacturing method and fine-particle dispersion liquid manufacturing apparatus Tokio Takagi, Mitsuo Hiramatsu, Gen Takebe, Naota Akikusa, Tatsuo DOUGAKIUCHI 2015-10-27
8853809 Optical element and photodetector Kazutoshi Nakajima, Toru Hirohata, Wataru Aka-Hori, Kazunori Tanaka 2014-10-07
8699538 Quantum cascade laser Tadataka Edamura, Tatsuo DOUGAKIUCHI, Masamichi Yamanishi 2014-04-15
8654809 Quantum cascade laser Masamichi Yamanishi, Tadataka Edamura, Naota Akikusa 2014-02-18
8594142 Wavelength-tunable light source Tatsuo DOUGAKIUCHI, Tadataka Edamura, Naota Akikusa 2013-11-26
8514903 Quantum cascade laser Tadataka Edamura, Tatsuo DOUGAKIUCHI 2013-08-20
8374208 Quantum cascade laser Masamichi Yamanishi, Tadataka Edamura, Naota Akikusa 2013-02-12
8330140 Semiconductor light emitting device Tadataka Edamura, Akira Higuchi, Naota Akikusa, Masamichi Yamanishi 2012-12-11
8098701 Quantum cascade laser element Atsushi Sugiyama, Takahide Ochiai, Naota Akikusa, Tadataka Edamura, Shinichi Furuta 2012-01-17