P

Inventor

OHNO TAKASHI

JP134 patents
⚠️ This page may combine multiple inventors who share the name “OHNO TAKASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MITSUBISHI CHEM CORP

22 patents
US6143468ANov 7, 2000

Optical information recording medium and optical recording method

MITSUBISHI CHEM CORP95 citations98
US5848043ADec 8, 1998

Modulation of laser power in accordance with a linear velocity by pulse division schemes

MITSUBISHI CHEM CORP144 citations98
US5818808AOct 6, 1998

Optical recording process and optical recording system

MITSUBISHI CHEM CORP126 citations98
US5581539ADec 3, 1996

Optical recording medium

MITSUBISHI CHEM CORP118 citations98
US6294310B1Sep 25, 2001

Optical information recording medium and optical recording method

MITSUBISHI CHEM CORP60 citations96
US6177166B1Jan 23, 2001

Optical information recording medium

MITSUBISHI CHEM CORP75 citations95
US6128273AOct 3, 2000

Optical phase-change disc

MITSUBISHI CHEM CORP80 citations95
US6115352ASep 5, 2000

Optical information recording medium capable of rewriting data at low reflectance and deterioration condition

MITSUBISHI CHEM CORP63 citations95
US6115353ASep 5, 2000

Optical phase-change disc having a grooved substrate, with the groove having specific wobbled and non-wobbled regions

MITSUBISHI CHEM CORP53 citations95
US6108295AAug 22, 2000

Optical information recording medium

MITSUBISHI CHEM CORP60 citations95
US6004646ADec 21, 1999

Optical information recording medium

MITSUBISHI CHEM CORP78 citations95
US5862123AJan 19, 1999

Optical phase-change disc

MITSUBISHI CHEM CORP59 citations95
US6996052B1Feb 7, 2006

Optical information recording medium and optical recording method

MITSUBISHI CHEM CORP36 citations93
US6707783B2Mar 16, 2004

Optical recording medium and recording/erasing method

MITSUBISHI CHEM CORP18 citations93
US6596366B2Jul 22, 2003

Optical recording medium and process for producing an optical recording medium

MITSUBISHI CHEM CORP22 citations93
US6587425B2Jul 1, 2003

Multilevel recording and reproduction method and phase change multilevel recording medium

MITSUBISHI CHEM CORP16 citations93
US6567367B2May 20, 2003

Multilevel recording and reproduction method and phase change multilevel recording medium

MITSUBISHI CHEM CORP35 citations93
US6424610B2Jul 23, 2002

Recording method for phase-change recording medium

MITSUBISHI CHEM CORP18 citations93
US7027371B2Apr 11, 2006

Rewritable optical recording medium, recording method on the same, and optical disc recording/retrieving apparatus

MITSUBISHI CHEM CORP12 citations92
US6632583B2Oct 14, 2003

Optical recording medium and production method of the same

MITSUBISHI CHEM CORP32 citations92
US6723410B2Apr 20, 2004

Optical recording medium

MITSUBISHI CHEM CORP37 citations89
US7105217B2Sep 12, 2006

Phase-change recording material and information recording medium

MITSUBISHI CHEM CORP14 citations84

FUJITSU LTD

10 patents

NINTENDO CO LTD

5 patents

MITSUBISHI KAGAKU MEDIA CO LTD

4 patents

NIPPON OXYGEN CO LTD

1 patent

THERMOS KK

1 patent

CANON KK

1 patent

FUJIMOTO SHINGO

1 patent

OMRON TATEISI ELECTRONICS CO

1 patent

SHARP KK

1 patent

KAKUTA JUN

1 patent

PILOT KK

1 patent

MIYAMOTO RYO

1 patent

Showing the top 50 of 134 patents by PatentIndex Score.