P

Inventor

TAKEDA MINORU

JP57 patents
⚠️ This page may combine multiple inventors who share the name “TAKEDA MINORU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SONY CORP

24 patents
US6512735B1Jan 28, 2003

Optical disk having recording capacity of about at least 15 GB

SONY CORP43 citations96
US5473409ADec 5, 1995

Semiconductor light exposure device

SONY CORP56 citations96
US7171676B2Jan 30, 2007

Stamper for producing optical recording medium, optical recording medium, and methods of producing the same

SONY CORP23 citations92
US6971116B2Nov 29, 2005

Stamper for producing optical recording medium, optical recording medium, and methods of producing the same

SONY CORP42 citations92
US6210609B1Apr 3, 2001

Method of manufacturing optical recording medium

SONY CORP25 citations92
US7180833B2Feb 20, 2007

Information recording and/or reproducing apparatus

SONY CORP8 citations74
US6704096B1Mar 9, 2004

Exposure apparatus and exposure method

SONY CORP9 citations74
US6214528B1Apr 10, 2001

Method of forming mother for use in optical disc

SONY CORP10 citations74
US5706076AJan 6, 1998

Semiconductor light exposure apparatus

SONY CORP14 citations74
US5689327ANov 18, 1997

Laser processing device

SONY CORP14 citations74
US5379251AJan 3, 1995

Method and apparatus for static RAM

SONY CORP12 citations73
US6953939B2Oct 11, 2005

Testing apparatus using scanning electron microscope

SONY CORP9 citations72
US6831278B2Dec 14, 2004

System and method for electron beam irradiation

SONY CORP12 citations72
US7807338B2Oct 5, 2010

Method of manufacturing magnetic disk

SONY CORP4 citations63
US7681964B2Mar 23, 2010

Recording medium processing apparatus, printing method, and computer program

SONY CORP2 citations63
US7317668B2Jan 8, 2008

Information recording and/or reproducing apparatus

SONY CORP2 citations63
US6818855B2Nov 16, 2004

Laser cutting apparatus

SONY CORP3 citations63
US6048669AApr 11, 2000

Exposure recording method for optical recording materials

SONY CORP3 citations63
US5737281AApr 7, 1998

Data writing method and device of semiconductor device

SONY CORP4 citations63
US8035843B2Oct 11, 2011

Recording medium processing device, printing method, and computer program

SONY CORP0 citations52
US7748813B2Jul 6, 2010

Print apparatus, print method and recording medium driving apparatus

SONY CORP1 citations52
US7034319B2Apr 25, 2006

Electron beam irradiation apparatus, electron beam irradiation method, original disk, stamper, and recording medium

SONY CORP1 citations52
US7815271B2Oct 19, 2010

Recording medium driving device and recording medium driving method

SONY CORP0 citations42
US7712853B2May 11, 2010

Printer-equipped disk recording and/or reproducing apparatus

SONY CORP0 citations42

NIPPON PRECISION CIRCUITS

8 patents

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

5 patents

PANASONIC CORP

3 patents

TEIJIN SEIKI CO LTD

2 patents

NOK CORP

2 patents

ASAHI OPTICAL CO LTD

1 patent

TOSHIBA KK

1 patent

HOKKAI CAN

1 patent

SHOWA DENKO KK

1 patent

OKADA TAKU

1 patent

SYNZTEC CO LTD

1 patent

Showing the top 50 of 57 patents by PatentIndex Score.