Inventor

ISOGAI OSAMU

JP3 patents

⚠️ This page may combine multiple inventors who share the name “ISOGAI OSAMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

IDEMITSU KOSAN CO

2 patents

US4234469ANov 18, 1980

Flame retarding polyolefin resin blend composition

IDEMITSU KOSAN CO36 citations89

US4019822AApr 26, 1977

Pencils not requiring sharpening

IDEMITSU KOSAN CO19 citations80

IDEMITSU PETROCHEMICAL CO

1 patent

US4550134AOct 29, 1985

Polyolefin resin composition

IDEMITSU PETROCHEMICAL CO13 citations64