HK

Hiroshi Koyama

DA Daicel: 1 patents #22 of 86Top 30%
TC Toppan Printing Co.: 1 patents #23 of 111Top 25%
📍 Tokyo, CO: #2 of 9 inventorsTop 25%
Overall (2023): #151,423 of 537,848Top 30%
2
Patents 2023

Issued Patents 2023

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11643476 Cellulose ester and molded article thereof Tomohiro HASHIZUME, Hiroyuki Matsumura, Tohru Shibata, Mitsuru Ohno, Tomoichi Watabe 2023-05-09
11560619 Laminate and method of producing the same, and gas barrier film and method of producing the same Jin Sato, Mitsuru Kano 2023-01-24