Inventor

Yukio Akazawa

Inventor

Kanagawa, JP

Overview

9→

Patents

1983–2016

Patent span

Electricity

Primary field (CPC H)

Patents· 9 as inventor

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

H03Fprimary

H03FAmplifiers18%

H03MCoding18%

H03BGeneration of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner9%

H03DDemodulation or transference of modulation from one carrier to another9%

H03GControl of amplification9%

H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses9%

H04BTransmission9%

H04LTransmission of digital information, e.g. telegraphic communication9%

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation9%

PatentTitleYear

9,240,755'Oscillator circuit'2016 9,037,003'Signal transmission device'2015 6,888,379'Phase comparator circuit'2005 6,229,165'Semiconductor device'2001 5,475,342'Amplifier for stably maintaining a constant output'1995 4,885,548'Wideband amplifier'1989 4,542,350'Monolithic integrated circuit device including AC negative feedback type high frequency amplifier circuit'1985 4,415,882'Analog to digital converter'1983 4,412,208'Digital to analog converter'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–1995Patents assigned to NIPPON TELEGRAPH & TELEPHONE (5)· patent assignee history

1983Based in Iruma, JP· patent location history

1985Based in Atsugi, JP· patent location history

1989–2001Based in Isehara, JP· patent location history

2001–2005Patents assigned to NTT ELECTRONICS CORP (2)· patent assignee history

2005–2016Based in Kanagawa, JP· patent location history

2015Patents assigned to YAZAKI CORP (1)· patent assignee history

2016Patents assigned to NIHON DEMPA KOGYO CO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NIPPON TELEGRAPH & TELEPHONE	5	1983–1995
NTT ELECTRONICS CORP	2	2001–2005
NIHON DEMPA KOGYO CO	1	2016
YAZAKI CORP	1	2015

Locations

Location	Patents	Span
Kanagawa, JP	3	2005–2016
Isehara, JP	3	1989–2001
Iruma, JP	2	1983
Atsugi, JP	1	1985