YN

Yoshihiko Nakazawa

HC Hitachi Construction Machinery Co.: 1 patents #701 of 1,234Top 60%
TC Tsukishima Kikai Co.: 1 patents #48 of 127Top 40%
Overall (All Time): #1,909,160 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10669696 Work vehicle Kazuya Takeda, Hiroki Gotou, Kazuo Ishida 2020-06-02
5221472 Vacuum filtration apparatus with horizontal filter-like conveyor Michio Ikeda, Kazuo Kamezaki, Shuji Iwasaki, Masuhiro Sato, Minoru Morita 1993-06-22