KW

Keiji Watanabe

HI Hitachi: 2 patents #141 of 1,165Top 15%
Canon: 1 patents #1,677 of 3,943Top 45%
Overall (2021): #74,663 of 548,734Top 15%
3
Patents 2021

Issued Patents 2021

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11181441 Sensor system Hiroaki Hasegawa, Hisanori Matsumoto, Daisuke Ryuzaki 2021-11-23
10990085 Machine-tool-state determination system and machine-tool-state determination method Kenji Otsu, Hisanori Matsumoto 2021-04-27
10894409 Method of manufacturing a liquid ejection head Jun Yamamuro, Kazuhiro Asai, Keiji Matsumoto, Kunihito Uohashi, Masahisa Watanabe +3 more 2021-01-19