Inventor

OTSU TAKAYUKI

JP8 patents

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

NIPPON OILS & FATS CO LTD

4 patents

US4933406AJun 12, 1990

Contact lens article made of silicon- and fluorine-containing resin

NIPPON OILS & FATS CO LTD16 citations71

US4855374AAug 8, 1989

Optical resin from diallyl esters

NIPPON OILS & FATS CO LTD11 citations69

US5209847AMay 11, 1993

Ultrathin membrane of polymethacrylate or polycrotonate and device provided with ultrathin membrane

NIPPON OILS & FATS CO LTD2 citations58

US4670520AJun 2, 1987

Method for modifying polyfumaric acid diester

NIPPON OILS & FATS CO LTD0 citations50

MITSUBISHI PETROCHEMICAL CO

1 patent

US5314962AMay 24, 1994

ABA type block copolymers

MITSUBISHI PETROCHEMICAL CO92 citations94

HIROSUKE KOJIMA

1 patent

US4477599AOct 16, 1984

Method of preparing a low density, nonflammable polyvinyl foam composition

HIROSUKE KOJIMA9 citations63

TOSOH CORP

1 patent

US5104428AApr 14, 1992

Separation membrane

TOSOH CORP2 citations62

IDEMITSU KOSAN CO

1 patent

US5102957AApr 7, 1992

Novel block copolymer of styrene and ethylene

IDEMITSU KOSAN CO3 citations61