P

Inventor

MATSUZAWA AKIRA

JP95 patents
⚠️ This page may combine multiple inventors who share the name “MATSUZAWA AKIRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

29 patents
US6603172B1Aug 5, 2003

Semiconductor device and method of manufacturing the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD104 citations98
US5945935AAug 31, 1999

A/D converter and A/D conversion method

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD132 citations98
US6119250ASep 12, 2000

Semiconductor integrated circuit

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD71 citations96
US6083785AJul 4, 2000

Method of manufacturing semiconductor device having resistor film

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD80 citations96
US5550544AAug 27, 1996

Signal converter, noise shaper, AD converter and DA converter

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD55 citations96
US5465093ANov 7, 1995

Analog-to-digital converter

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD60 citations96
US6424184B1Jul 23, 2002

Frequency-voltage conversion circuit, delay amount judgement circuit, system having frequency-voltage conversion circuit, method of adjusting input/output characteristics of frequency-voltage conversion circuit, and apparatus for automatically adjusting input

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD29 citations93
US6326772B2Dec 4, 2001

Power supply apparatus with energy return for reuse

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD28 citations93
US6211720B1Apr 3, 2001

Logic circuit

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD22 citations93
US6072353AJun 6, 2000

Logic circuit with overdriven off-state switching

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD31 citations93
US5835552ANov 10, 1998

Time counting circuit and counter circuit

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD22 citations93
US5812626ASep 22, 1998

Time counting circuit sampling circuit skew adjusting circuit and logic analyzing circuit

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD29 citations93
US5307067AApr 26, 1994

Folding circuit and analog-to-digital converter

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD39 citations93
US6707413B2Mar 16, 2004

A/D converter

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations92
US6310492B1Oct 30, 2001

CMOS semiconductor integrated circuit

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD25 citations92
US5999022ADec 7, 1999

Signal transmission driver circuit, receiver circuit, and method thereof for transmitting and receiving information based on multiple periods and/or a delay function

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD38 citations92
US5164728ANov 17, 1992

A/D converter with complementary interpolating voltage dividers

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD26 citations92
US4496935AJan 29, 1985

Analog-digital converter with linear characteristic restoration circuit

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD27 citations92
US5748132AMay 5, 1998

Interpolation type A/D converter

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD19 citations84
US5402128AMar 28, 1995

Analog-to-digital converter with capacitor network

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD16 citations82
US4931797AJun 5, 1990

Folding circuit and serial-type A/D converter

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD20 citations78
US6201382B1Mar 13, 2001

Low noise and energy loss power supply apparatus and voltage converter

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations74
US5999586ADec 7, 1999

Time counting circuit and pulse signal generating method

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD16 citations74
US5982841ANov 9, 1999

Time counting circuit, pulse converting circuit and FM demodulating circuit

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations74
US5973523AOct 26, 1999

Time counting circuit, sampling circuit, skew adjusting circuit, and logic analyzing circuit

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations74
US5936437AAug 10, 1999

Analog-to-digital converter with capacitor network

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations74
US5920209AJul 6, 1999

Time counting circuit, sampling circuit, skew adjusting circuit, and logic analyzing circuit

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations74
US5828717AOct 27, 1998

Time counting circuit and counter circuit

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations74
US5321402AJun 14, 1994

Analog-to-digital conversion method and device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations74

SEIKO EPSON CORP

14 patents
US6378996B1Apr 30, 2002

Ink-jet recording head and ink-jet recording apparatus

SEIKO EPSON CORP110 citations98
US6502930B1Jan 7, 2003

Ink jet recording head, method for manufacturing the same, and ink jet recorder

SEIKO EPSON CORP71 citations96
US6089701AJul 18, 2000

Ink jet recording head having reduced stress concentration near the boundaries of pressure generating chambers

SEIKO EPSON CORP75 citations96
US9651433B2May 16, 2017

Force detector, robot, electronic component carrying apparatus, electronic component testing apparatus, part processing apparatus, and moving object

SEIKO EPSON CORP14 citations93
US9481089B2Nov 1, 2016

Force detector and robot

SEIKO EPSON CORP22 citations93
US6284434B1Sep 4, 2001

Piezoelectric thin film element fabrication method

SEIKO EPSON CORP20 citations93
US6142614ANov 7, 2000

Piezoelectric actuator using passivation film or interlayer insulating film along with an insulating film to obtain better adhesion

SEIKO EPSON CORP36 citations92
US7686421B2Mar 30, 2010

Fluid injection head, method of manufacturing the injection head, and fluid injection device

SEIKO EPSON CORP11 citations84
US10209152B2Feb 19, 2019

Force sensor unit and robot arm including a wire cable routed from inside a casing to outside of the casing

SEIKO EPSON CORP7 citations82
USRE39474EJan 23, 2007

Method of manufacturing an ink jet recording head having reduced stress concentration near the boundaries of the pressure generating chambers

SEIKO EPSON CORP9 citations74
US6929355B2Aug 16, 2005

Ink-jet recording head, manufacturing method of the same, and ink-jet recording apparatus

SEIKO EPSON CORP11 citations74
US6712456B2Mar 30, 2004

Ink-jet recording head, manufacturing method of the same and ink-jet recording apparatus

SEIKO EPSON CORP9 citations74
US6416680B1Jul 9, 2002

Ink-jet recording head, its manufacturing method and ink-jet recording device

SEIKO EPSON CORP12 citations74
US6390608B1May 21, 2002

Ink jet recording head, its manufacturing method and inkjet recording device

SEIKO EPSON CORP9 citations74

ADVANTEST CORP

5 patents

PANASONIC CORP

1 patent

TOKYO INST TECH

1 patent

Showing the top 50 of 95 patents by PatentIndex Score.