P

Inventor

UMEZAWA ISAO

JP9 patents
⚠️ This page may combine multiple inventors who share the name “UMEZAWA ISAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HIDAKA HIROYOSHI

3 patents
US6403607B1Jun 11, 2002

Sulfonamide derivatives and drugs containing the same as the active ingredient

HIDAKA HIROYOSHI102 citations94
US5081246AJan 14, 1992

Compound having vessel smooth muscle relaxation activity

HIDAKA HIROYOSHI23 citations89
US5216150AJun 1, 1993

Derivatives of isoquinoline (and naphthalene) sulfonamides

HIDAKA HIROYOSHI16 citations71

SONY CORP

3 patents
US4847846AJul 11, 1989

Semiconductor laser chip

SONY CORP28 citations87
US4837429AJun 6, 1989

Photodetector for use with an optical recording medium

SONY CORP14 citations66
US4669071AMay 26, 1987

Photo sensor device and optical pickup device

SONY CORP6 citations61

TOKYO SANYO ELECTRIC CO

1 patent
US7054746B2May 30, 2006

Navigator

TOKYO SANYO ELECTRIC CO8 citations71

HIDAKA KIROYOSHI

1 patent
US5245034ASep 14, 1993

Compound having vessel smooth muscle relaxation activity

HIDAKA KIROYOSHI16 citations68

TOBISHI PHARMACEUTICAL CO

1 patent
US5245050ASep 14, 1993

Derivatives of physiologically active substance ml-236b and process for production thereof

TOBISHI PHARMACEUTICAL CO1 citations51