KK

Keishi Kubo

Ricoh Company: 35 patents #475 of 9,818Top 5%
Sumitomo Electric Industries: 19 patents #1,151 of 21,551Top 6%
PA Panasonic: 4 patents #6,180 of 21,108Top 30%
UM University Of Miyazaki: 1 patents #34 of 87Top 40%
📍 Numazu, JP: #13 of 856 inventorsTop 2%
Overall (All Time): #39,278 of 4,157,543Top 1%
60
Patents All Time

Issued Patents All Time

Showing 51–60 of 60 patents

Patent #TitleCo-InventorsDate
4562448 Heat-sensitive transfer medium Hideo Watanabe, Minoru Hakiri, Kanjirou Kawasaki, Nobuhiro Takigawa 1985-12-31
4547788 Thermosensitive image transfer medium Norio Kurisu 1985-10-15
4538164 Heat-sensitive transfer medium Nobuhiro Takigawa, Hideo Watanabe, Kanzirou Kawasaki, Minoru Hakiri, Eiichi Kawamura 1985-08-27
4529993 Heat sensitive transfer medium Hideo Watanabe, Nobuhiro Takigawa, Minoru Hakiri, Kanjirou Kawasaki 1985-07-16
4513052 Heat-sensitive recording material Eiichi Kawamura 1985-04-23
4500896 Heat-sensitive recording medium affording patterns with different colors Hideo Watanabe, Nobuhiro Takigawa, Minoru Hagiri, Kanjiro Kawasaki 1985-02-19
4486527 Thermo-developable type diazo copying material with 2-naphthol coupler having long aliphatic chain amide substitution Norio Kurisu, Tsutomu Matsuda, Masaru Shimada 1984-12-04
4444844 Thermosensitive recording material Masayuki Shoshi 1984-04-24
4352860 Thermosensitive recording material Eiichi Kawamura 1982-10-05
4311750 Thermo-sensitive multi-color recording material and process for preparation thereof Tetsuo Tanaka 1982-01-19