P

Inventor

WATANABE TOMOHIRO

JP65 patents
⚠️ This page may combine multiple inventors who share the name “WATANABE TOMOHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SONY CORP

14 patents
US6785897B2Aug 31, 2004

Disc support plate, disc changer mechanism, and disc recording and/or reproducing device

SONY CORP6 citations73
US6646974B2Nov 11, 2003

Disc support plate and disc recording and/or reproducing device

SONY CORP7 citations73
US5586103ADec 17, 1996

Disc player with an automatic disc charger including eject locking mechanism and movable chassis holding mechanism

SONY CORP7 citations73
US6751181B1Jun 15, 2004

Recording and/or reproducing device for disks

SONY CORP9 citations72
US6654319B1Nov 25, 2003

Disc recording and/or reproducing apparatus having control plates and space forming features

SONY CORP7 citations72
US6493308B2Dec 10, 2002

Disc recording/reproducing apparatus and disc container casing used therein

SONY CORP10 citations72
US6934959B2Aug 23, 2005

Disk recording and/or reproducing device

SONY CORP3 citations62
US6307828B1Oct 23, 2001

Disc recording/reproducing apparatus and disc container casing used therein

SONY CORP5 citations62
US6724713B1Apr 20, 2004

Recording and/or reproducing device for disks

SONY CORP4 citations61
US5481513AJan 2, 1996

Disc changing apparatus for disc player including improved translating chassis and eject mechanism for disc magazine

SONY CORP4 citations60
USRE42482EJun 21, 2011

Disc support plate, disc changer mechanism, and disc recording and/or reproducing device

SONY CORP0 citations52
US6754164B2Jun 22, 2004

Disc recording/reproducing apparatus and disc container casing used therein

SONY CORP1 citations52
USRE42763ESep 27, 2011

Recording and/or reproducing device for disks

SONY CORP0 citations51
USRE42041EJan 18, 2011

Recording and/or reproducing device for disks

SONY CORP0 citations51

SHINETSU CHEMICAL CO

10 patents
US11530176B2Dec 20, 2022

Processes for preparing a 2-(1,2,2-trimethyl-3-cyclopentenyl)-2-oxoethyl carboxylate compound and hydroxymethyl 1,2,2-trimethyl-3-cyclopentenyl ketone, and a halomethyl (1,2,2-trimethyl-3-cyclopentenyl) ketone compound

SHINETSU CHEMICAL CO0 citations63
US12312309B2May 27, 2025

3-acyloxymethyl-3-butenal acetal compounds

SHINETSU CHEMICAL CO0 citations62
US12312310B2May 27, 2025

Methods of producing 7-methyl-3-methylene-7-octenal acetal compounds

SHINETSU CHEMICAL CO0 citations62
US11897842B2Feb 13, 2024

Method for producing 7-methyl-3-methylene-7-octenal acetal compound

SHINETSU CHEMICAL CO0 citations62
US11518729B2Dec 6, 2022

Processes for preparing 5,5-dimethyl-2-oxo-3-cyclopentene-1-carboxylate compounds and 3,5,5-trimethyl-2-oxo-3-cyclopentene-1-carboxylate compounds from 3,3-dimethyl-1-butene-1,4-dicarboxylate compounds and 1,3,3-trimethyl-1-butene-1,4-dicarboxylate compounds, and 1,3,3-trimethyl-1-butene-1,4-dicarboxylate compounds

SHINETSU CHEMICAL CO1 citations62
US11384046B2Jul 12, 2022

7-methyl-3-methylene-7-octenal acetal compound and methods for producing aldehyde compound and ester compound using the same

SHINETSU CHEMICAL CO0 citations62
US10662166B2May 26, 2020

Process for preparing (2E,6Z)-2,6-nonadienal and a process for preparing (2E)-cis 6,7-epoxy-2-nonenal

SHINETSU CHEMICAL CO1 citations62
US11746078B2Sep 5, 2023

Kinetic resolution reaction of a (1RS,2SR)-(2-hydroxy-3,5,5-trimethyl-3-cyclopentenyl)methyl carboxylate compound, a process for preparing optically active trans-α-necrodyl isobutyrate, and a process for preparing optically active γ-necrodyl isobutyrate

SHINETSU CHEMICAL CO0 citations52
US11370741B2Jun 28, 2022

Processes for preparing alpha-necrodyl compounds and processes for preparing gamma-necrodyl compounds

SHINETSU CHEMICAL CO0 citations52
US10611718B2Apr 7, 2020

7-methyl-3-methylene-7-octenal acetal compound and methods for producing aldehyde compound and ester compound using the same

SHINETSU CHEMICAL CO0 citations52

CANON KK

6 patents

WATANABE TOMOHIRO

5 patents

FURUKAWA ELECTRIC CO LTD

4 patents

EISAI CO LTD

3 patents

SPANSION LLC

2 patents

SATO AYUMU

1 patent

NIPPON DENSO CO

1 patent

TOMBOW PENCIL

1 patent

HONDA MOTOR CO LTD

1 patent

CALSONIC KANSEI CORP

1 patent

NEC CORP

1 patent

Showing the top 50 of 65 patents by PatentIndex Score.