Inventor

Hiroshi Seki

Inventor

Suwa, JP

Overview

1976–2020

Patent span

Electricity

Primary field (CPC H)

Patents· 55 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

Y10Tprimary

Y10TTechnical subjects covered by former us classification11%

H03KPulse technique9%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h108%

G06FElectric digital data processing6%

G11BInformation storage based on relative movement between record carrier and transducer6%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%

G01RMeasuring electric variables4%

G06VImage or video recognition or understanding4%

H05KPrinted circuits4%

H10DInorganic electric semiconductor devices4%

PatentTitleYear

10,811,000Methods and systems for recognizing simultaneous speech by multiple speakers2020 10,593,321Method and apparatus for multi-lingual end-to-end speech recognition2020 10,360,315Construction field management method and construction field management device2019 9,875,873Particle charger2018 8,253,449'Clock switch circuit and clock switch method of the same'2012 7,982,623'Radio-type transmitting device, container, transmitting/receiving system and transmitting/receiving method'2011 7,969,897'Relay device, computer readable medium storing test program and a method for testing relay device'2011 7,821,410'Radio-type transmitting device, container, transmitting/receiving system and transmitting/receiving method'2010 7,656,210'Semiconductor integrated circuit'2010 7,577,022'Electric element, memory device, and semiconductor integrated circuit formed using a state-variable material whose resistance value varies according to an applied pulse voltage'2009 7,567,111'Potential fixing circuit for integrated circuit having multiple supply potentials'2009 7,564,288'Semiconductor integrated circuit'2009 7,525,832'Memory device and semiconductor integrated circuit'2009 7,350,855'Vehicle water drainage structure'2008 7,191,421'Integrated circuit design apparatus, method and program evaluating condition of functional blocks, assigned to virtual placement regions in each of lower-and higher-rank mounting blocks'2007 7,154,350'Semiconductor device'2006 7,126,859'Semiconductor integrated circuit that handles the input/output of a signal with an external circuit'2006 6,911,612'Switch'2005 6,861,724'Semiconductor integrated circuit'2005 6,833,517'Multiple switch device'2004 6,714,031'Semiconductor device for wafer examination'2004 6,703,650'Semiconductor integrated circuit including a circuit protecting against static electricity'2004 6,686,550'Switch'2004 6,573,751'Semiconductor device and electronic apparatus using the same'2003 6,563,335'Semiconductor device and test method therefor'2003 6,472,902'Semiconductor device'2002 6,426,645'Semiconductor device that fixes a potential on an input signal wiring'2002 6,292,026'Semiconductor device and electronic apparatus using the same'2001 6,256,875'Method for manufacturing semiconductor device'2001 6,188,388'Information presentation apparatus and information display apparatus'2001 6,005,289'Package for semiconductor device laminated printed circuit boards'1999 RE036077'Method of manufacturing inversion type IC\'s and IC module using same'1999 5,835,078'Information presentation apparatus and information display apparatus'1998 5,798,135'Method for producing a magnetic recording medium having a carbon protective layer'1998 5,776,602'Magnetic recording medium having a carbon protective film containing nitrogen and oxygen and overcoated with a lubricant'1998 5,712,658'Information presentation apparatus and information display apparatus'1998 5,677,993'Information processing apparatus using pointing input and speech input'1997 5,672,965'Evaluation board for evaluating electrical characteristics of an IC package'1997 5,637,393'Magnetic recording medium and its manufacturing method'1997 5,589,263'Magnetic recording medium having a ferromagnetic metal thin film, a dry etched layer, a carbonaceous film, and a lubricant film'1996 5,540,957'Method of manufacturing a magnetic recording medium'1996 5,496,595'Method for forming film by plasma CVD'1996 5,494,742'Magnetic recording medium having improved running time and corrosion resistance'1996 5,309,021'Semiconductor device having particular power distribution interconnection arrangement'1994 5,303,120'Method of manufacturing inversion type IC\'s and IC module using same'1994 5,157,478'Tape automated bonding packaged semiconductor device incorporating a heat sink'1992 5,128,840'Bicycle luminaire'1992 5,121,201'Method and apparatus for detecting the number of persons'1992 5,099,167'Vibration wave driven motor'1992 5,064,706'Carrier tape including molten resin flow path element for resin packaged semiconductor devices'1991 4,839,713'Package structure for semiconductor device'1989 4,704,370'Sealing glass composition'1987 4,640,628'Composite fire sensor'1987 4,639,605'Fire sensor device'1987 3,947,943'Cable harness forming machine comprising wire feed-out means in harness laying head'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–2019Based in Tokyo, JP· patent location history

1987–2019Patents assigned to SEKI HIROSHI (5)· patent assignee history

1989–2001Patents assigned to MITSUBISHI ELECTRIC CORP (9)· patent assignee history

1989–1999Based in Itami, JP· patent location history

1996–1998Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (7)· patent assignee history

1997–2019Patents assigned to HITACHI LTD (5)· patent assignee history

1997–2001Based in Hitachi, JP· patent location history

1998–2011Based in Nara, JP· patent location history

2001–2010Patents assigned to SEIKO EPSON CORP (13)· patent assignee history

2001–2010Based in Suwa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SEIKO EPSON CORP	13	2001–2010
MITSUBISHI ELECTRIC CORP	9	1989–2001
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD	7	1996–1998
HITACHI LTD	5	1997–2019
SEKI HIROSHIself	5	1987–2019

Locations

Location	Patents	Span
Suwa, JP	13	2001–2010
Tokyo, JP	6	1976–2019
Itami, JP	6	1989–1999
Nara, JP	5	1998–2011
Hitachi, JP	4	1997–2001