YH

Yoshinori Hata

KW Kanto Special Steel Works: 1 patents #7 of 23Top 35%
TK Toshiba Kikai: 1 patents #381 of 713Top 55%
SO Sony: 1 patents #17,262 of 25,231Top 70%
Overall (All Time): #2,261,747 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5771599 Method of and instrument for measuring roll diameter in roll grinder Hiroshi Uchimura, Takazumi Watanabe, Masayuki Tatara, Kazuo Kimura 1998-06-30
5431769 Method and system for plasma treatment Toshiro Kisakibaru, Akira Kojima, Takayuki Fukunaga, Yasushi Kato, Isao Honbori +2 more 1995-07-11