P

Inventor

FUJIMORI YOSHIKAZU

JP52 patents
⚠️ This page may combine multiple inventors who share the name “FUJIMORI YOSHIKAZU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ROHM CO LTD

39 patents
US6788567B2Sep 7, 2004

Data holding device and data holding method

ROHM CO LTD80 citations98
US6674109B1Jan 6, 2004

Nonvolatile memory

ROHM CO LTD55 citations96
US7428565B2Sep 23, 2008

Logical operation circuit and logical operation device

ROHM CO LTD42 citations92
US6944045B2Sep 13, 2005

Data holding apparatus and data read out method

ROHM CO LTD45 citations92
US8014186B2Sep 6, 2011

Ferroelectric memory device and operating method for the same

ROHM CO LTD11 citations84
US7564610B2Jul 21, 2009

Light control device and light control system using same

ROHM CO LTD9 citations84
US6097058AAug 1, 2000

Ferroelectric memory device and a method of manufacturing thereof

ROHM CO LTD18 citations84
US7531862B2May 12, 2009

Semiconductor device having ferroelectric substance capacitor

ROHM CO LTD7 citations74
US7372608B2May 13, 2008

Light control device and light control system using the same

ROHM CO LTD8 citations74
US6730522B1May 4, 2004

Method of forming solid of a ferroelectric or high dielectric material and method of manufacturing semiconductor device employing the same

ROHM CO LTD10 citations74
US6392920B2May 21, 2002

Nonvolatile memory and its driving method

ROHM CO LTD8 citations74
US6385076B1May 7, 2002

Nonvolatile memory and its driving method

ROHM CO LTD13 citations74
US7218142B2May 15, 2007

Switch matrix circuit, logical operation circuit, and switch circuit

ROHM CO LTD7 citations73
US6903572B2Jun 7, 2005

Switch matrix circuit, logical operation circuit, and switch circuit

ROHM CO LTD7 citations73
US10032977B2Jul 24, 2018

Device using a piezoelectric element and method for manufacturing the same

ROHM CO LTD2 citations71
US7672034B2Mar 2, 2010

Method for manufacturing optical modulator, optical modulator, and optical modulation system

ROHM CO LTD3 citations63
US7292382B2Nov 6, 2007

Light control unit

ROHM CO LTD4 citations63
US7012460B2Mar 14, 2006

IC device having a transistor switch for a power supply

ROHM CO LTD2 citations63
US6806758B2Oct 19, 2004

IC device having a transistor switch for a power supply

ROHM CO LTD2 citations63
US6740532B2May 25, 2004

Method of manufacturing a ferroelectric thin film

ROHM CO LTD2 citations63
US7464131B2Dec 9, 2008

Logical calculation circuit, logical calculation device, and logical calculation method

ROHM CO LTD3 citations61
US7450412B2Nov 11, 2008

Logical operation circuit and logical operation method

ROHM CO LTD4 citations61
US7026841B2Apr 11, 2006

Logical operation circuit and logical operation method

ROHM CO LTD5 citations61
US12501221B2Dec 16, 2025

Transducer

ROHM CO LTD0 citations52
US12403692B2Sep 2, 2025

Inkjet print head

ROHM CO LTD0 citations52
US9714866B1Jul 25, 2017

Substrate having a hole, method for manufacturing the substrate, infrared sensor, and method for manufacturing the infrared sensor

ROHM CO LTD0 citations52
US7894115B2Feb 22, 2011

Light control apparatus having light modulating film

ROHM CO LTD1 citations52
US7295360B2Nov 13, 2007

Structure having light modulating film and light control device using the same

ROHM CO LTD0 citations52
US7195928B2Mar 27, 2007

Method of manufacturing ferroelectric substance thin film and ferroelectric memory using the ferroelectric substance thin film

ROHM CO LTD0 citations52
US7038930B2May 2, 2006

Memory device with function to perform operation, and method of performing operation and storage

ROHM CO LTD1 citations52
US6833574B2Dec 21, 2004

Semiconductor device having ferroelectric substance capacitor

ROHM CO LTD0 citations52
US9171850B2Oct 27, 2015

Ferroelectric capacitor

ROHM CO LTD1 citations51
US10522734B2Dec 31, 2019

Device using a piezoelectric element and method for manufacturing the same

ROHM CO LTD0 citations50
US9195933B2Nov 24, 2015

Electronic circuit and electronic device including the same

ROHM CO LTD0 citations50
US9064593B2Jun 23, 2015

Data holding device and logic operation circuit using the same

ROHM CO LTD0 citations49
US8947904B2Feb 3, 2015

Data holding device and logic operation circuit using the same

ROHM CO LTD0 citations49
US11964483B2Apr 23, 2024

Piezoelectric film utilization device

ROHM CO LTD0 citations46
US7317794B2Jan 8, 2008

Enciphering and deciphering apparatus, and enciphering and deciphering method

ROHM CO LTD0 citations42
US7039847B2May 2, 2006

Coding-decoding device and method for conversion of binary sequences

ROHM CO LTD0 citations42

FUJIMORI YOSHIKAZU

4 patents

SEIKO EPSON CORP

3 patents

FUCHIKAMI TAKAAKI

1 patent

KATSUNO KENJI

1 patent

VOGENX

1 patent

TAKAOKA MASAKI

1 patent

Showing the top 50 of 52 patents by PatentIndex Score.