P

Inventor

MINAKUCHI TADASHI

JP34 patents
⚠️ This page may combine multiple inventors who share the name “MINAKUCHI TADASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ASAHI OPTICAL CO LTD

23 patents
US5892219AApr 6, 1999

Light intensity controlling device

ASAHI OPTICAL CO LTD26 citations93
US5844707ADec 1, 1998

Scanning optical device

ASAHI OPTICAL CO LTD28 citations93
US5838001ANov 17, 1998

Scanning optical device and polygon mirror cover

ASAHI OPTICAL CO LTD44 citations93
US6011250AJan 4, 2000

Light intensity controlling device

ASAHI OPTICAL CO LTD16 citations92
US6114682ASep 5, 2000

Apparatus and method for controlling light intensity

ASAHI OPTICAL CO LTD20 citations84
US5933266AAug 3, 1999

Synchronization signal generating circuit for an optical scanning device

ASAHI OPTICAL CO LTD18 citations84
US5898805AApr 27, 1999

Light transmission device using optical fiber

ASAHI OPTICAL CO LTD17 citations84
US5812299ASep 22, 1998

Scanning optical device

ASAHI OPTICAL CO LTD17 citations84
US5760944AJun 2, 1998

Scanning optical device

ASAHI OPTICAL CO LTD18 citations84
US6064504AMay 16, 2000

Scanning optical device

ASAHI OPTICAL CO LTD11 citations74
US5883657AMar 16, 1999

Synchronizing signal generating circuit for optical multiple-scanning device

ASAHI OPTICAL CO LTD7 citations74
US5841566ANov 24, 1998

Multi-beam scanning optical device

ASAHI OPTICAL CO LTD13 citations74
US5812727ASep 22, 1998

Holder for optical fibers in a scanning optical device

ASAHI OPTICAL CO LTD8 citations74
US5153871AOct 6, 1992

Controlling a laser used with an optical disk apparatus

ASAHI OPTICAL CO LTD8 citations74
US5150346ASep 22, 1992

Automatic tracking servo gain control apparatus

ASAHI OPTICAL CO LTD8 citations74
US5119360AJun 2, 1992

Controlling a laser used with an optical disk apparatus

ASAHI OPTICAL CO LTD10 citations74
US4593985AJun 10, 1986

Automatic photographing device for video camera

ASAHI OPTICAL CO LTD8 citations74
US4465352AAug 14, 1984

Automatic focusing device

ASAHI OPTICAL CO LTD16 citations73
US6344644B1Feb 5, 2002

Optical scanning device

ASAHI OPTICAL CO LTD6 citations63
US5793036AAug 11, 1998

Synchronizing signal generating circuit for optical scanning device

ASAHI OPTICAL CO LTD2 citations63
US5189654AFeb 23, 1993

Automatic gain control apparatus for use in optical disc recording and playback system

ASAHI OPTICAL CO LTD4 citations63
US5153865AOct 6, 1992

Automatic gain control apparatus

ASAHI OPTICAL CO LTD4 citations63
US5166916ANov 24, 1992

Automatic gain control apparatus

ASAHI OPTICAL CO LTD1 citations52

HOYA CORP

8 patents

PENTAX CORP

3 patents