Inventor

MARU HIROSHI

JP3 patents

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

SONY CORP

1 patent

US4400890AAug 30, 1983

Length measuring device

SONY CORP28 citations90

NIPPON MINING CO

1 patent

US5195359AMar 23, 1993

Apparatus for detecting operating condition of internal-combustion engine

NIPPON MINING CO12 citations68

DAINIPPON INK & CHEMICALS

1 patent

US8349922B2Jan 8, 2013

Pigment dispersion, water-based pigment dispersion liquid, and inkjet recording ink and method for producing water-based pigment dispersion liquid

DAINIPPON INK & CHEMICALS0 citations36