TA

Tetsumi Arahi

NI Nippon Itf: 2 patents #8 of 27Top 30%
NC Nippon Piston Ring Co.: 2 patents #59 of 208Top 30%
Overall (All Time): #2,374,991 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

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