Inventor

SERIZAWA AKIO

5 patents

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

SONY CORP

3 patents

US3980255ASep 14, 1976

Tape cassette

SONY CORP46 citations89

US3934839AJan 27, 1976

Tape cassette

SONY CORP33 citations89

US3995318ANov 30, 1976

Resilient tape guide assembly for rotary head tape recording and/or reproducing apparatus

SONY CORP14 citations71

FUJI PHOTO FILM CO LTD

2 patents

US4937673AJun 26, 1990

Camera for shooting movie and still pictures while preventing noise from being recorded

FUJI PHOTO FILM CO LTD23 citations88

US4825290AApr 25, 1989

Camera for shooting movie and still images

FUJI PHOTO FILM CO LTD8 citations71