P

Inventor

OHYAMA MINORU

JP23 patents
⚠️ This page may combine multiple inventors who share the name “OHYAMA MINORU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

VICTOR COMPANY OF JAPAN

16 patents
US5621715AApr 15, 1997

Optical integrated circuit

VICTOR COMPANY OF JAPAN59 citations95
US6512608B2Jan 28, 2003

Optical device

VICTOR COMPANY OF JAPAN42 citations92
US6366548B1Apr 2, 2002

Optical pickup having two laser beam sources having wave lengths different from each other and optical device including the optical pickup

VICTOR COMPANY OF JAPAN31 citations92
US6891675B2May 10, 2005

Optical device

VICTOR COMPANY OF JAPAN16 citations83
US5689108ANov 18, 1997

Integrated optical pick-up

VICTOR COMPANY OF JAPAN18 citations83
US5322993AJun 21, 1994

Tilt-error detector

VICTOR COMPANY OF JAPAN18 citations73
US5180909AJan 19, 1993

Optical pickup using diffracted light

VICTOR COMPANY OF JAPAN9 citations72
US7835251B2Nov 16, 2010

Optical device and optical pickup device

VICTOR COMPANY OF JAPAN4 citations62
US7348529B2Mar 25, 2008

Optical device and optical pickup device

VICTOR COMPANY OF JAPAN2 citations62
US7180845B2Feb 20, 2007

Optical pickup

VICTOR COMPANY OF JAPAN2 citations62
US6320837B1Nov 20, 2001

Optical pickup and optical device

VICTOR COMPANY OF JAPAN2 citations62
US6207942B1Mar 27, 2001

Optical pickup device, error detection device, and detection method therefore

VICTOR COMPANY OF JAPAN5 citations62
US6122304ASep 19, 2000

Semiconductor laser and optical pickup with the same

VICTOR COMPANY OF JAPAN2 citations62
US7859976B2Dec 28, 2010

Optical pickup device

VICTOR COMPANY OF JAPAN3 citations61
US7567496B2Jul 28, 2009

Optical pickup device capable of loosening assembly accuracy

VICTOR COMPANY OF JAPAN2 citations51
US8050167B2Nov 1, 2011

Optical device

VICTOR COMPANY OF JAPAN0 citations41

JVC KENWOOD CORP

3 patents

JVCKENWOOD CORP

3 patents

OHYAMA MINORU

1 patent