Inventor

HIRAKO KAZUYOSHI

JP3 patents

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

SUMITOMO SEIKA CHEMICALS

2 patents

US5856520AJan 5, 1999

Substituted benzenedithiol metal complex

SUMITOMO SEIKA CHEMICALS8 citations72

US5959152ASep 28, 1999

Substituted benzenedithiol metal complex

SUMITOMO SEIKA CHEMICALS1 citations50

TDK CORP

1 patent

US6071672AJun 6, 2000

Photo-stabilized cyanine dyes and optical recording media

TDK CORP45 citations92