Inventor

HITOMI MASAHIKO

JP3 patents

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

CITIZEN HOLDINGS CO LTD

2 patents

US7715280B2May 11, 2010

Electronic clock

CITIZEN HOLDINGS CO LTD5 citations59

US7560980B2Jul 14, 2009

Constant voltage generating circuit

CITIZEN HOLDINGS CO LTD3 citations54

CITIZEN WATCH CO LTD

1 patent

US7151419B2Dec 19, 2006

Oscillation-stop detection circuit, oscillation-stop detection system, electronic device, and oscillation-stop detection method

CITIZEN WATCH CO LTD7 citations65