Inventor

HATAKEYAMA KAZUMI

2 patents

⚠️ This page may combine multiple inventors who share the name “HATAKEYAMA KAZUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOYO KOGYO CO

1 patent

US4132419AJan 2, 1979

Oil seal ring for rotary piston engines

TOYO KOGYO CO3 citations52

NEC CORP

1 patent

US10382612B2Aug 13, 2019

Business support system, business support method, information processing apparatus, communication device, and control methods and control programs of information processing apparatus and communication device

NEC CORP0 citations35