KH

Kazumasa Hirano

OC Oji-Yuka Synthetic Paper Co.: 3 patents #4 of 43Top 10%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
📍 Ibaraki, JP: #2,214 of 6,779 inventorsTop 35%
Overall (All Time): #1,263,641 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6965545 Optical recording medium with prepit regions and recording/reproducing method thereof Yasumori Hino, Masayoshi Shioya, Shohei Yumita 2005-11-15
6576325 Label Masaaki Yamanaka 2003-06-10
6287684 Transparent label Masaaki Yamanaka 2001-09-11
6086987 Synthetic paper and inkjet recording paper with the use of the same Masaaki Yamanaka, Kazuyuki Kimura 2000-07-11