YH

Yoko Hayashi

SC Sumitomo Chemical: 1 patents #131 of 368Top 40%
SO Sony: 1 patents #281 of 1,124Top 25%
Overall (1994): #15,757 of 165,921Top 10%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5340631 Clathrate inclusion compounds and optical recording medium using the same Nobuyuki Matsuzawa, Masafumi Ata, Shin-Ichiro Tamura 1994-08-23
5332427 Wood preservatives Takaaki Itoh 1994-07-26