KK

Koichi Koyama

Fujitsu Limited: 12 patents #2,592 of 24,456Top 15%
Sumitomo Electric Industries: 5 patents #5,365 of 21,551Top 25%
JT Japan Science And Technology: 1 patents #225 of 836Top 30%
Overall (All Time): #254,342 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
10564370 Optical connecting device, light processing apparatus, method for fabricating optical connecting device Mitsuharu Hirano, Akira Furuya, Masahiro Shibata 2020-02-18
10411167 Semiconductor light emitting apparatus, stem part Akira Furuya 2019-09-10
10332937 Semiconductor device having a protruding interposer edge face Akira Furuya, Mitsuharu Hirano 2019-06-25
10094989 Optical device, optical processing device, and method of producing the optical device Yasunori Murakami, Akira Furuya 2018-10-09
9575257 Optical device, optical processing device, method for fabricating optical device Akira Furuya, Yasunori Murakami 2017-02-21
6087651 Highly sensitive light reception element 2000-07-11
5154808 Functional organic thin film and process for producing the same Tsutomu Miyasaka 1992-10-13
4987032 Functional organic thin film and method of manufacture thereof Tsutomu Miyasaka 1991-01-22
4957848 Heat developable color light-sensitive material with dye developers Osamu Takahashi, Keizo Koya 1990-09-18
4766056 Light-sensitive material with compounds reactive with dye developers Osamu Takahashi, Keizo Koya 1988-08-23
H98 Heat-developable color photographic material Yoshiharu Yabuki, Kozo Sato, Shinsaku Fujita, Hiroshi Hara, Hideki Naito 1986-08-05
4594426 Benzoxazole derivative intermediates for synthesis of dye releasing redox compounds Shinsaku Fujita, Yoshio Inagaki 1986-06-10
4559290 Heat development with reducible dye releaser Satoru Sawada, Shinsaku Fujita 1985-12-17
4551423 Photographic light-sensitive material with nucleophilic displacement dye releasers Yasuhiro Noguchi, Masaharu Toriuchi 1985-11-05
4358532 Photographic element Shinsaku Fujita 1982-11-09
4336322 Color photographic light-sensitive material Shinsaku Fujita, Yoshio Inagaki, Kokichi Waki 1982-06-22
4310693 o-Aminophenol compounds Shinsaku Fujita, Yoshio Inagaki 1982-01-12
4304847 Color image forming dye bleach process Koichi Nakamura, Isao Shimamura, Yukio Maekawa, Shigeki Yokoyama 1981-12-08