P

Inventor

YAMADA HIROHISA

JP73 patents
⚠️ This page may combine multiple inventors who share the name “YAMADA HIROHISA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SHARP KK

26 patents
US10043545B2Aug 7, 2018

Information recording medium and reproduction device

SHARP KK7 citations84
US9697863B2Jul 4, 2017

Information recording medium and reproduction device

SHARP KK9 citations84
US11676634B2Jun 13, 2023

Method for playing back information recording medium

SHARP KK1 citations73
US10636445B2Apr 28, 2020

Information recording medium and reproduction device

SHARP KK3 citations73
US10232684B2Mar 19, 2019

Carbon dioxide concentration control device and apparatus

SHARP KK3 citations73
US10005019B2Jun 26, 2018

Carbon dioxide concentration-controlling device and electronic apparatus

SHARP KK2 citations73
US12342429B2Jun 24, 2025

Light-emitting device and driving method for light-emitting device

SHARP KK0 citations52
US10381039B2Aug 13, 2019

Reproducing device

SHARP KK0 citations52
US10192581B2Jan 29, 2019

Reproducing device

SHARP KK0 citations52
US10068605B2Sep 4, 2018

Optical information recording medium having first and second pit row of identical reflectance

SHARP KK0 citations52
US9978416B2May 22, 2018

Reproducing device

SHARP KK0 citations52
US9978415B2May 22, 2018

Optical information recording medium having first and second pit rows of identical reflectance

SHARP KK0 citations52
US9805761B2Oct 31, 2017

Reproducing device

SHARP KK0 citations52
US9767838B2Sep 19, 2017

Optical information recording medium and reproduction method

SHARP KK0 citations52
US9666222B2May 30, 2017

Optical information recording medium having first and second pit row of identical reflectance

SHARP KK0 citations52
US9633688B2Apr 25, 2017

Reproducing device

SHARP KK0 citations52
US9552838B2Jan 24, 2017

Optical information recording medium having first and second pit row of identical reflectance

SHARP KK0 citations52
US9412408B2Aug 9, 2016

Optical information recording medium having first and second pit row of identical reflectance

SHARP KK0 citations52
US9105278B2Aug 11, 2015

Optical information recording medium having super-resolution film

SHARP KK0 citations52
US8976637B2Mar 10, 2015

Optical information storage medium reproduction apparatus and control method of the same

SHARP KK0 citations52
US8913476B2Dec 16, 2014

Optical information recording medium having super-resolution film

SHARP KK0 citations52
US8867328B2Oct 21, 2014

Optical recording medium on which information is recorded using train of prepits, and method for reproducing optical recording medium

SHARP KK0 citations52
US8817587B2Aug 26, 2014

Optical information recording medium having super-resolution film

SHARP KK0 citations52
US8767516B2Jul 1, 2014

Optical information storage medium reproduction apparatus and control method of the same

SHARP KK0 citations52
US8705333B2Apr 22, 2014

Super-resolution optical recording medium on which information is recorded using train of prepits, optical recording medium reproduction device, and control method

SHARP KK0 citations52
US8570850B2Oct 29, 2013

Super-resolution optical recording medium on which information is recorded using train of prepits, optical recording medium reproduction device, and control method

SHARP KK0 citations52

YAMADA HIROHISA

9 patents

YAMAMOTO MASAKI

2 patents

NAT INST FOR MATERIALS SCIENCE

2 patents

HIRAYAMA HARUYUKI

2 patents

TAIHEIYO KOGYO KK

2 patents

KOYO MACHINE IND CO LTD

2 patents

RICOH KK

1 patent

SAKAI TOSHIHIKO

1 patent

MORI GO

1 patent

TAMURA KENJI

1 patent

TAJIMA HIDEHARU

1 patent

Showing the top 50 of 73 patents by PatentIndex Score.