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Inventor

Akira Maruyama

Inventor
Suwa, JP

Overview

61→
Patents
1983–2021
Patent span
Physics
Primary field (CPC G)

Patents· 61 as inventor

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

G11Cprimary
G11CStatic stores19%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations6%
F25BRefrigeration machines, plants or systems6%
G03GElectrography5%
C07DHeterocyclic compounds4%
Y02ATechnologies for adaptation to climate change4%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications4%
H01QAntennas, i.e. radio aerials3%
Y10TTechnical subjects covered by former us classification3%
B01DSeparation2%
PatentTitleYear
11,101,555Structure, antenna structure, radio wave shielding structure, and touch panel including mesh-like transparent conductor202110,938,085Antenna structure202110,816,073Strain wave gearing202010,487,498Flexible printed circuit board structure and indoor partition wall201910,459,136Optical laminate, polarizing plate and organic EL display device201910,403,857Circularly polarizing plate and bendable display device20197,408,503'Positioning system, positioning apparatus, positioning information providing apparatus, positioning method, control program for positioning system, and computer readable recording medium having recorded therein control program for positioning system'20087,302,731'Washer equipment'20077,190,339'Ferroelectric memory device and display drive IC'20077,171,131'Image forming apparatus, image forming system, and computer-readable storage medium'20077,156,234'Sorting technique for recycle of device units'20077,113,728'Image forming system and image forming apparatus'20067,111,793'Washer nozzle and washer apparatus'20067,092,653'Image forming apparatus and image forming system'20067,023,720'Ferroelectric memory device'20067,013,101'Cartridge recycling information apparatus, corresponding method, and cartridge to be recycled'20066,972,984'Ferroelectric memory device'20056,927,994'Ferroelectric memory device'20056,862,236'Ferroelectric memory device with an equalization circuit connected between word voltage supply lines and bit voltage supply lines'20056,771,559'Non-volatile semiconductor integrated circuit'20046,671,199'DATA STORAGE METHOD FOR SEMICONDUCTOR INTEGRATED CIRCUIT, SEMICONDUCTOR INTEGRATED CIRCUIT, SEMICONDUCTOR DEVICE EQUIPPED WITH MANY OF THE SEMICONDUCTOR INTEGRATED CIRCUITS, AND ELECTRONIC APPARATUS USING THE SEMICONDUCTOR DEVICE'20036,659,261'Ceramic shaped body-positioning system'20036,639,445'Semiconductor integrated circuit'20036,606,268'Non-volatile semiconductor integrated circuit'20036,541,493'Crystals of 5-6-(2-fluorobenzyl)oxy-2-naphthylmethyl-2,4-thiazolidinedione'20036,498,743'METHOD FOR SUPPLYING REFERENCE POTENTIAL TO SENSE AMPLIFIER CIRCUIT IN SEMICONDUCTOR INTEGRATED CIRCUIT, SEMICONDUCTOR INTEGRATED CIRCUIT, SEMICONDUCTOR DEVICE EQUIPPED WITH MANY OF THE SEMICONDUCTOR INTEGRATED CIRCUITS, AND ELECTRONIC APPARATUS USING THE SEMICONDUCTOR DEVICE'20026,467,148'Method of producing metal band of metal belt for belt-type continuously variable transmission'20026,411,541'METHOD FOR CONTROLLING RE-WRITING OPERATION FOR MEMORY CELL IN SEMICONDUCTOR INTEGRATED CIRCUIT, SEMICONDUCTOR INTEGRATED CIRCUIT, SEMICONDUCTOR DEVICE EQUIPPED WITH MANY OF THE SEMICONDUCTOR INTEGRATED CIRCUITS, AND ELECTRONIC APPARATUS USING THE SEMICONDUCTOR DEVICE'20026,377,494'Semiconductor device and electronic apparatus'20026,230,517'Absorption cooling apparatus'20016,205,810'Absorption cooling apparatus'20016,202,436'Absorption cooling apparatus'20016,178,121'Semiconductor memory device, semiconductor device, and electronic apparatus using the semiconductor device'20016,134,910'Absorption refrigerator'20006,062,038'Absorption refrigerating machine'20005,875,649'Absorption liquid spreading structure for interior of absorption chamber in air conditioner'19995,808,956'Bus-line drive circuit and semiconductor storage device comprising the same'19985,798,546'Nonvolatile semiconductor device'19985,794,456'Absorption-type air conditioning apparatus having fin tube absorption liquid regenerators'19985,696,886'Data replacement system using high-speed clock for initialization'19975,675,588'Testing apparatus for transmission system'19975,654,920'Nonvolatile semiconductor storage system'19975,635,972'Residual recording material amount detector for laser printer'19975,619,509'Apparatus and methods for testing transmission equipment and a self-test method'19975,574,686'Nonvolatile semiconductor storage system'19965,556,851'Cinnoline-3-carboxylic acid derivatives'19965,483,485'Nonvolatile semiconductor system with automatic over erase protection'19965,475,249'Nonvolatile semiconductor device to erase with a varying potential difference'19955,463,587'Nonvolatile semiconductor system'19955,432,738'Nonvolatile semiconductor storage system'19955,426,611'Non-volatile semiconductor device'19955,398,204'Nonvolatile semiconductor system'19955,391,549'Cinnoline-3-carboxylic acid derivatives'19955,369,633'Digital signal transmission system having monitor equipment'19945,352,685'Thieno[3,2-b]pyridine derivatives'19945,069,981'Steel sheet dip-plated with a Zn-Al alloy and process for the manufacture thereof'19914,764,618'Arginine derivatives and pharmaceutically acceptable acid addition salts thereof'19884,602,009'Corticoid derivatives and process for production thereof'19864,585,766'6-oxygenated corticoid 17.alpha.-carbonates and process for production thereof'19864,497,878'Photomask material'19854,396,683'Photomask blank provided with a transparent electro-conductive layer'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1995Patents assigned to MITSUBISHI CHEM IND (5)· patent assignee history
1986–2007Based in Yokohama, JP· patent location history
1988–2019Based in Kanagawa, JP· patent location history
1994–1997Patents assigned to FUJITSU LTD (4)· patent assignee history
1995–2008Patents assigned to SEIKO EPSON CORP (30)· patent assignee history
1995–2004Based in Suwa, JP· patent location history
1997–2007Based in Nagano, JP· patent location history
1998–2001Patents assigned to PALOMA KOGYO KK (6)· patent assignee history
2000–2003Based in Nagoya, JP· patent location history
2019–2021Patents assigned to NIPPON DENGYO KOSAKU KK (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SEIKO EPSON CORP301995–2008
PALOMA KOGYO KK61998–2001
MITSUBISHI CHEM IND51986–1995
FUJITSU LTD41994–1997
NIPPON DENGYO KOSAKU KK32019–2021
Locations
LocationPatentsSpan
Suwa, JP131995–2004
Nagano, JP91997–2007
Yokohama, JP71986–2007
Nagoya, JP62000–2003
Kanagawa, JP41988–2019