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Inventor

Akihiro Nakahara

Inventor
Kanagawa, JP

Overview

64→
Patents
1985–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 64 as inventor

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

H03Kprimary
H03KPulse technique25%
A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing14%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients5%
H10DInorganic electric semiconductor devices5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
H02HEmergency protective circuit arrangements4%
B29CShaping or joining of plastics4%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts4%
H01LSemiconductor devices4%
B29LIndexing scheme associated with subclass b29c, relating to particular articles3%
PatentTitleYear
10,638,600Electronic device202010,607,985Semiconductor device, and on-vehicle electronic device and automobile each including the semiconductor device202010,547,170Semiconductor device202010,298,153Input buffer, semiconductor device and engine control unit201910,031,164Semiconductor device20189,762,053'Load driving device'20179,673,803'Semiconductor device, and on-vehicle electronic device and automobile each including semiconductor device'20179,537,303'Semiconductor device and electric control device'20179,503,073'Power semiconductor device'20168,884,682'Power semiconductor device'20148,879,227'Current limiting circuit'20148,848,328'Load driving device'20148,723,555'Comparator circuit'20148,717,727'Power supply control apparatus including overcurrent detection circuit'20148,638,534'Load driving device'20148,605,399'Load driving device'20138,547,142'Power semiconductor device and operation method thereof'20138,493,702'Current limiting circuit'20138,467,165'Power supply control apparatus including overcurrent detection circuit'20138,446,185'Load driving device'20138,390,340'Load driving device'20138,373,494'Power supply control circuit'20138,351,172'Power supply control apparatus'20138,314,638'Comparator circuit'20128,289,669'Semiconductor device including over voltage protection circuit having gate discharge circuit operated based on temperature and voltage as to output transistor'20128,270,133'Power supply control apparatus'20128,242,830'Power supply control circuit'20128,242,809'Comparator circuit'20128,174,808'Load driving device'20128,116,052'Power supply control circuit including overvoltage protection circuit'20128,116,051'Power supply control circuit'20128,054,106'Load driving device'20118,031,450'Power supply control circuit'20117,834,669'Semiconductor output circuit for controlling power supply to a load'20107,701,264'Semiconductor output circuit'20107,576,964'Overvoltage protection circuit of output MOS transistor'20097,088,126'Output circuit'20066,692,381'Solid golf ball'20046,661,260'Output circuit of semiconductor circuit with power consumption reduced'20036,589,124'Hollow golf ball'20036,492,862'Charge pump type voltage conversion circuit having small ripple voltage components'20026,392,392'Over-current detecting circuit'20026,335,392'Outsole of shoes'20026,309,706'Coating material for golf ball and golf ball coated with the same'20016,200,231'Hollow solid golf ball'20016,182,970'Hollow golf ball'20016,126,560'Method of making hollow golf ball'20006,106,656'Method for the production of a hollow golf ball'20006,096,830'Thermoplastic elastomer composition, process for producing the same and golf ball using the same for cover'20005,980,395'Hollow solid golf ball'19995,967,907'Multi-piece solid golf ball'19995,733,977'Solid golf ball'19985,376,726'Short fiber-reinforced rubber'19945,348,777'Structural member of pipe shape'19945,325,623'Material for making marine structure'19945,288,446'Production of rubber article'19945,242,721'Structural member of pipe shape'19935,072,944'Three-piece solid golf ball'19915,006,586'Heat reserve material'19915,002,281'Three-piece solid golf ball'19914,863,167'Multi-piece solid golf ball'19894,714,253'Three-piece solid golf ball'19874,561,657'Golf ball'19854,556,220'Solid golf balls'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–2004Patents assigned to SUMITOMO RUBBER IND (24)· patent assignee history
1985–2003Based in Ibaraki, JP· patent location history
1991–2000Based in Ibaragi, JP· patent location history
2002–2020Based in Tokyo, JP· patent location history
2003–2010Patents assigned to NEC ELECTRONICS CORP (5)· patent assignee history
2006–2017Based in Kanagawa, JP· patent location history
2011–2020Patents assigned to RENESAS ELECTRONICS CORP (33)· patent assignee history
2012–2014Patents assigned to NAKAHARA AKIHIRO (20)· patent assignee history
2013–2014Patents assigned to NAKAJIMA SAKAE (2)· patent assignee history
2014–2017Based in Kawasaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RENESAS ELECTRONICS CORP332011–2020
SUMITOMO RUBBER IND241985–2004
NAKAHARA AKIHIROself202012–2014
NEC ELECTRONICS CORP52003–2010
NAKAJIMA SAKAE22013–2014
Locations
LocationPatentsSpan
Kanagawa, JP282006–2017
Ibaraki, JP161985–2003
Tokyo, JP92002–2020
Ibaragi, JP61991–2000
Kawasaki, JP32014–2017