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Inventor

Tsutomu Sugawara

Inventor
Yokosuka, JP

Overview

17→
Patents
1978–2016
Patent span
Electricity
Primary field (CPC H)

Patents· 17 as inventor

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

G11Cprimary
G11CStatic stores16%
H03GControl of amplification13%
H04LTransmission of digital information, e.g. telegraphic communication13%
H03FAmplifiers10%
H04WWireless communication networks10%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use10%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses6%
G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves3%
G06FElectric digital data processing3%
H01HElectric switches3%
PatentTitleYear
9,281,830'Radio apparatus'20168,958,767'Radio apparatus'20158,154,917'Magnetic storage device'20128,009,484'Read circuit and read method'20117,903,455'Magnetic memory device'20117,839,676'Magnetic memory device'20106,131,139'Apparatus and method of simultaneously reading and writing data in a semiconductor device having a plurality of flash memories'20005,940,769'Radio communication system having re-send control method'19995,880,351'Vibration sensing element and vibration sensor'19995,802,469'Radio communication system selectable low speed bi-directional communication and high-speed down link communication'19985,521,548'Phase detector'19964,559,457'Sampling circuit'19854,455,535'Frequency characteristic adjusting apparatus'19844,390,847'Muting device'19834,379,995'Gain controlled amplifier'19834,301,420'Frequency characteristic-adjusting apparatus'19814,123,723'Transistor amplifier circuit'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1985Patents assigned to TOKYO SHIBAURA ELECTRIC CO (6)· patent assignee history
1978–1999Based in Yokohama, JP· patent location history
1983–1999Based in Yokosuka, JP· patent location history
1996–2016Patents assigned to TOSHIBA KK (9)· patent assignee history
2010–2012Based in Kawasaki, JP· patent location history
2011Based in Kanagawa, JP· patent location history
2012–2016Patents assigned to SUGAWARA TSUTOMU (3)· patent assignee history
2015–2016Patents assigned to HOSOYA MASAHIRO (2)· patent assignee history
2015–2016Patents assigned to OTAKA SHOJI (2)· patent assignee history
2015–2016Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOSHIBA KK91996–2016
TOKYO SHIBAURA ELECTRIC CO61978–1985
SUGAWARA TSUTOMUself32012–2016
HOSOYA MASAHIRO22015–2016
OTAKA SHOJI22015–2016
Locations
LocationPatentsSpan
Yokosuka, JP71983–1999
Kawasaki, JP32010–2012
Yokohama, JP31978–1999
Tokyo, JP22015–2016
Kanagawa, JP12011