Inventor

OTSU HIROSHI

JP4 patents

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

KOHJIN CO

2 patents

US5500259AMar 19, 1996

Artificial granite solid material

KOHJIN CO3 citations60

US5338584AAug 16, 1994

Artificial granite solid material

KOHJIN CO5 citations60

HITACHI LTD

1 patent

US4481813ANov 13, 1984

Dew sensor

HITACHI LTD11 citations69

YOKOGAWA HOKUSHIN ELECTRIC

1 patent

US4649399AMar 10, 1987

Pen recorder

YOKOGAWA HOKUSHIN ELECTRIC2 citations58