Inventor

TOTSUKA HIDEKAZU

JP6 patents

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

MITSUBISHI ELECTRIC CORP

3 patents

US5650697AJul 22, 1997

Motor unit, motor drive unit, fan unit and method of controlling the motor drive unit

MITSUBISHI ELECTRIC CORP48 citations90

US5642857AJul 1, 1997

Control apparatus for multi-air-conditioner

MITSUBISHI ELECTRIC CORP21 citations88

US5959428ASep 28, 1999

Starting control unit for a refrigeration machine

MITSUBISHI ELECTRIC CORP18 citations76

KONISHIROKU PHOTO IND

2 patents

US6747812B2Jun 8, 2004

Objective lens for optical pick-up apparatus and optical pick-up apparatus

KONISHIROKU PHOTO IND12 citations73

US6856471B2Feb 15, 2005

Objective optical element, optical pick-up apparatus, and optical information recording reproducing apparatus

KONISHIROKU PHOTO IND6 citations62

KONICA MINOLTA HOLDINGS INC

1 patent

US7463568B2Dec 9, 2008

Objective optical element and optical pickup apparatus

KONICA MINOLTA HOLDINGS INC2 citations62