Inventor

Takashi Nakai

Inventor

Fukushima, JP

Overview

51→

Patents

1988–2021

Patent span

Electricity

Primary field (CPC H)

Patents· 51 as inventor

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

G11Bprimary

G11BInformation storage based on relative movement between record carrier and transducer11%

B22FWorking metallic powder6%

A61KPreparations for medical, dental or toiletry purposes5%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations4%

G09GArrangements or circuits for control of indicating devices using static means to present variable information4%

H01HElectric switches4%

H04KSecret communication4%

H04LTransmission of digital information, e.g. telegraphic communication4%

H04MTelephonic communication4%

H04WWireless communication networks4%

PatentTitleYear

10,927,136Phosphorus prodrugs of pyrazolo-substituted pyrimidine sGC stimulators2021 10,686,292Laser module2020 10,618,099Sizing die for densifying surface of sintered body, production method using same, and product obtained therefrom2020 10,472,623Antigen-binding molecule capable of binding two or more antigen molecules repeatedly2019 10,235,951Liquid crystal display device2019 10,171,683Wireless communication terminal that sends a message of the intention of a user to continue a call2019 10,043,777Display device2018 9,890,377'Antigen-binding molecule capable of binding to two or more antigen molecules repeatedly'2018 9,868,948'Antigen-binding molecule capable of binding to two or more antigen molecules repeatedly'2018 9,844,811Raw material powder for powder metallurgy2017 9,661,153'Base station that confirm the intention of a user to continue a call'2017 9,489,901'Display device'2016 9,417,574'Heater and method of forming a heater'2016 9,258,732'Radio communication control device and radio communication terminal'2016 8,922,597'Liquid crystal display device'2014 8,795,586'Method of producing powder sintered product'2014 8,759,322'Hyaluronic acid derivative and pharmaceutical composition thereof'2014 8,623,360'Antigen-binding molecule capable of binding to two or more antigen molecules repeatedly'2014 8,588,722'Radio communication control device to dynamically handle calls in high traffic'2013 8,153,053'Method for forming compact from powder and sintered product'2012 7,808,518'Ink sheet cartridge'2010 7,764,300'Optical recording medium and data recording device'2010 7,585,165'Powder molding die apparatus and method of molding for obtaining powder molding product'2009 7,582,255'Warm molding raw material powder and warm molding method'2009 D0578908'Film thickness meter'2008 6,977,644'Multi-directional pressure-responsive input device'2005 D0510362'Icon image for a portion of a display screen'2005 6,893,593'Resin formed article and method for production thereof'2005 6,833,770'CDMA modulation method and device therefor'2004 D0492696'Icon image for a portion of a display screen'2004 6,625,105'Pickup apparatus and method of manufacturing the same'2003 6,504,115'Multidirectional input device'2003 6,452,754'Flexible printed circuit board attachment structure and recording and reproducing device using the same'2002 6,404,718'Disc player'2002 6,297,968'Mounting structure for mounting flexible printed circuit board and recording/reproducing apparatus using same'2001 6,285,530'Guided driving device for a moving head'2001 6,268,578'Key switch used in a keyboard'2001 6,259,049'Key switch device with low-profile key top which gives three-dimensional appearance and looks thicker than actual one'2001 D0444601'Cleaner assembly'2001 D0444273'Cleaner'2001 6,246,590'Substrate junction element'2001 D0443717'Lighter'2001 D0441764'Icon image for portion of a display screen'2001 6,219,324'Disk carrier with levers holding and carrying a disk in horizontal direction'2001 5,978,339'Recording/reproducing apparatus with a buffer member used for mounting a mechanism body'1999 5,896,250'Head transport mechanism for disc drive apparatus'1999 5,859,750'Magnetic recording-and-reproducing apparatus'1999 5,304,415'Sound absorptive material'1994 D0320662'Combined body composition measurer and cover therefor for determining body fat'1991 4,857,365'Method of manufacturing modified wood material'1989 4,731,265'Method of manufacturing modified wood material'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2005Patents assigned to MATSUSHITA ELECTRIC WORKS LTD (4)· patent assignee history

1999–2016Patents assigned to ALPS ELECTRIC CO LTD (13)· patent assignee history

1999–2010Based in Fukushima, JP· patent location history

2001–2004Patents assigned to PHILIP MORRIS INC (5)· patent assignee history

2001–2020Based in Tokyo, JP· patent location history

2004–2019Based in Chiba, JP· patent location history

2009–2020Based in Niigata, JP· patent location history

2012–2014Patents assigned to NAKAI TAKASHI (5)· patent assignee history

2012–2020Patents assigned to DIAMET CORP (4)· patent assignee history

2014–2019Based in Shizuoka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ALPS ELECTRIC CO LTD	13	1999–2016
NAKAI TAKASHIself	5	2012–2014
PHILIP MORRIS INC	5	2001–2004
DIAMET CORP	4	2012–2020
MATSUSHITA ELECTRIC WORKS LTD	4	1988–2005

Locations

Location	Patents	Span
Fukushima, JP	12	1999–2010
Tokyo, JP	7	2001–2020
Chiba, JP	6	2004–2019
Niigata, JP	5	2009–2020
Shizuoka, JP	4	2014–2019