AS

Akiko Shimizu

SC Sumitomo Chemical: 1 patents #131 of 368Top 40%
Overall (1994): #159,672 of 165,921Top 100%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5285303 Phase retarder and process for producing the same Toyokazu Okada, Kazuaki Sakakura, Koji Higashi 1994-02-08