Inventor

MIKAMI OSAMU

JP6 patents

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

HITACHI LTD

2 patents

US4888458ADec 19, 1989

Apparatus for disconnecting a switch of a high voltage electric circuit

HITACHI LTD17 citations72

US5134542AJul 28, 1992

Three-phase package-type gas-insulated switch gear having isolators being aligned in a first plane and earthing switches disposed laterally side by side on a second plane

HITACHI LTD10 citations71

UNIV TOKAI EDUCATIONAL SYSTEM

1 patent

US6987906B2Jan 17, 2006

Optical connection device

UNIV TOKAI EDUCATIONAL SYSTEM108 citations94

NIPPON TELEGRAPH & TELEPHONE

1 patent

US5155737AOct 13, 1992

Semiconductor wavelength conversion device

NIPPON TELEGRAPH & TELEPHONE26 citations87

HIRAYAMA KATSUHIRO

1 patent

US8307143B2Nov 6, 2012

Interface card system

HIRAYAMA KATSUHIRO3 citations54

TOKAI UNIV EDUCATIONAL SYSTEM

1 patent

US10254649B2Apr 9, 2019

Method for producing optical waveguide

TOKAI UNIV EDUCATIONAL SYSTEM0 citations37