KH

Kiyoyuki Hattori

KC Koyo Seiko Co.: 1 patents #363 of 749Top 50%
KC Koyo Thermo Systems Co.: 1 patents #13 of 36Top 40%
Canon: 1 patents #14,899 of 19,416Top 80%
Overall (All Time): #1,513,392 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9516042 Apparatus for switching between multiple servers in a web-based system Hisashi Sakamaki, Yoshifumi Okamoto, Takashi Yotsuyanagi, Sumihiko Arima 2016-12-06
6767504 Heat treatment furnace You Ishii, Toshiyuki Harada 2004-07-27
6582532 Steel for large bearing and parts for large bearing Yutaka Kurebayashi, Sadayuki Nakamura, Katsuhiko Kizawa 2003-06-24