Inventor

SUMITANI MAKOTO

JP5 patents

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

MITSUBISHI GAS CHEMICAL CO

2 patents

US5278853AJan 11, 1994

Optical isolator

MITSUBISHI GAS CHEMICAL CO62 citations95

US6703245B2Mar 9, 2004

Oxygen detecting composition

MITSUBISHI GAS CHEMICAL CO31 citations89

FUJITSU LTD

2 patents

US7526175B2Apr 28, 2009

Feedthrough of submarine repeater and submarine repeater

FUJITSU LTD9 citations81

US5446392AAug 29, 1995

Submarine equipment and fault locating method for a submarine communication system

FUJITSU LTD15 citations72

(unassigned)

1 patent

USH1787HFeb 2, 1999

Regeneration method of working solution

4 citations59