RK

Rikio Kobayashi

SO Sony: 3 patents #10,744 of 25,231Top 45%
Overall (All Time): #1,645,126 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5679461 Thermal-sensitive transfer recording material Motohiro Mizumachi 1997-10-21
5494884 Thermo sensitive transfer recording material Motohiro Mizumachi 1996-02-27
5294484 Polyvinyl aromatic carboxylic acid ester and video printing paper Masanobu Hida 1994-03-15