RY

Ryoichi Yamamoto

Fujitsu Limited: 39 patents #462 of 24,456Top 2%
MI Mitsui Petrochemical Industries: 13 patents #32 of 1,024Top 4%
Sumitomo Electric Industries: 9 patents #3,076 of 21,551Top 15%
KM Konica Minolta: 3 patents #626 of 1,361Top 50%
MC Mitsui Chemicals: 3 patents #648 of 2,279Top 30%
KA Kao: 2 patents #1,388 of 3,221Top 45%
FU Fujifilm: 2 patents #2,431 of 4,519Top 55%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
DE Denso: 1 patents #6,940 of 11,792Top 60%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
KM Konica Minolta: 1 patents #1,862 of 2,718Top 70%
MC Mitsui Engineering & Shipbuilding Co.: 1 patents #166 of 496Top 35%
NC Natec Co.: 1 patents #2 of 14Top 15%
NC Nippondenso Co.: 1 patents #1,765 of 3,479Top 55%
TK Teisan Kabushiki Kaisha: 1 patents #17 of 27Top 65%
UI Ube Industries: 1 patents #895 of 1,686Top 55%
Overall (All Time): #23,762 of 4,157,543Top 1%
78
Patents All Time

Issued Patents All Time

Showing 76–78 of 78 patents

Patent #TitleCo-InventorsDate
4338424 Multi-step gas-phase polymerization of olefins Yoshinori Morita, Akifumi Kato 1982-07-06
4305910 Catalytic reaction for reduction of nitrogen oxide Hiroshi Kudo, Yasuaki Ishida, Shikiho Itaya 1981-12-15
4243636 Apparatus for the continuous liquid-phase catalytic oxidation of alkyl-substituted aromatic compounds Shigemi Shiraki 1981-01-06