YK

Yoshihiro Koga

IC Ibiden Co.: 10 patents #92 of 730Top 15%
AC Ajinomoto Co.: 4 patents #463 of 2,190Top 25%
TO Toyota: 3 patents #8,352 of 26,838Top 35%
Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
PA Panasonic: 3 patents #7,617 of 21,108Top 40%
SU Sumco: 2 patents #160 of 464Top 35%
Mazda Motor: 2 patents #1,722 of 4,755Top 40%
OC Oki Electric Industry Co.: 1 patents #1,459 of 2,807Top 55%
SO Socionext: 1 patents #229 of 541Top 45%
NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
Overall (All Time): #128,895 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 26–29 of 29 patents

Patent #TitleCo-InventorsDate
4691054 Method for separating a basic amino acid Takafumi Tosa, Tsutomu Matsuishi 1987-09-01
4663048 Method for the separation of a basic amino acid from its fermentation broth Kiyoshi Tanaka, Masaru Saeki, Tetsuya Kaneko, Tetsuya Kawakita 1987-05-05
4617155 Novel lysine salt crystals and process for production thereof Kiyoshi Tanaka, Masaru Saeki, Tetsuya Kaneko, Tetsuya Kawakita 1986-10-14
4395283 Method of switching bottom-blown gases and apparatus therefor Shozo Murakami, Hukuyosi Isomura 1983-07-26