KK

Keiichi Komatsu

HI Hitachi: 7 patents #5,859 of 28,497Top 25%
HI Hitachi Video Engineering, Incorporated: 1 patents #69 of 181Top 40%
SC Sanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
Overall (All Time): #484,713 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
12371568 Thermally conductive silicone composition and thermally conductive silicone material Hiroshi Yamamoto 2025-07-29
8441776 Solid electrolytic capacitor comprising two protective polymer films Koichi Nishimura, Takeshi Sano 2013-05-14
4992891 Dual record/read head video recording and playback apparatus with fade-in function Shinji Ozaki, Shigeyuki Itoh, Hikaru Masui, Yoshizumi Watatani 1991-02-12
4901297 Optical magnetic recording and reproducing method and apparatus capable of prolonging a recording time Shinji Ozaki, Hikaru Masui, Ken-ichi Kubo 1990-02-13
4891047 Process for dyeing fibers with a dye liquor containing granules of silica gel Hrioshi Kato 1990-01-02
4556917 Magnetic recording/reproducing apparatus for video and sound Akira Shibata 1985-12-03
4524380 Chroma signal recording and reproducing circuit Akira Shibata, Tomomitsu Kuroyanagi, Noboru Kojima 1985-06-18
4497000 Magnetic recording/reproducing apparatus Toshimichi Terada, Akira Shibata, Kenji Satoh 1985-01-29
4497004 Picture reproducing apparatus in a helical scanning video tape recorder Akira Shibata, Makoto Konosu, Teizo Tamura, Koichi Hirose, Kuniaki Miura +1 more 1985-01-29
4466026 Record/reproduce circuit for VTR Kuniaki Miura, Akira Shibata, Noboru Kojima, Teizo Tamura, Makoto Konosu +1 more 1984-08-14