Inventor

FUJIMOTO SADANARI

JP4 patents

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

TOSHIBA KK

3 patents

US5475210ADec 12, 1995

Noise reduction system for optical record and reproduction apparatus using auto-power controlled semiconductor laser device

TOSHIBA KK39 citations92

US5930227AJul 27, 1999

Optical disk having an evaluation pattern for evaluating the optical disk

TOSHIBA KK8 citations71

US5892751AApr 6, 1999

Optical disk having an evaluation pattern for evaluating the optical disk

TOSHIBA KK0 citations49

KABUSHIKI KAISHIA TOSHIBA

1 patent

US5696756ADec 9, 1997

Optical disk having an evaluation pattern for evaluating the optical disk

KABUSHIKI KAISHIA TOSHIBA34 citations89