TA

Tetsumi Arahi

NI Nippon Itf: 2 patents #1 of 13Top 8%
NC Nippon Piston Ring Co.: 2 patents #4 of 40Top 10%
Overall (2019): #114,280 of 560,194Top 25%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10457885 Coating film, manufacturing method for same, and PVD device Hideki Moriguchi, Tadashi Saito, Yoshikazu Tanaka, Akinori Shibata, Katsuaki Ogawa +3 more 2019-10-29
10428416 Coating film, manufacturing method for same, and PVD device Hideki Moriguchi, Tadashi Saito, Yoshikazu Tanaka, Katsuaki Ogawa, Takahiro Okazaki +2 more 2019-10-01