Kenichi Iwaguro

KK Kureha Kagaku Kogyo: 1 patents #332 of 607Top 55%

SC Sumikin Chemical Co.: 1 patents #11 of 30Top 40%

SI Sumitomo Metal Industries: 1 patents #630 of 1,462Top 45%

📍 Funabashi, JP: #699 of 1,104 inventorsTop 65%

Overall (All Time): #3,890,125 of 4,157,543Top 95%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5066384	Process for refining coal-derived heavy carbonaceous materials	Tohru Iwahashi, Yoshihiko Sunami, Katsumi Satoh, Katsuyuki Ohshima	1991-11-19