YH

Yoshihisa Hayakawa

NL Noritake Co., Limited: 1 patents #133 of 334Top 40%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
YC Yushiro Chemical Industry Co.: 1 patents #15 of 77Top 20%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
📍 Soma, JP: #250 of 570 inventorsTop 45%
Overall (All Time): #2,227,437 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10449656 Continuous-generation gear-wheel grinding method Masatoshi Ozaki, Toru Yamazaki, Kazuhiro Horimi, Tatsuyoshi Yasuda, Sho Nakajima 2019-10-22
6244519 Welding torch having its nozzle member provided with fume collecting hood 2001-06-12