Inventor
Hitoshi Tomiyama
Inventor
Kanagawa, JP
Overview
Patents· 22 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Bprimary
H04BTransmission21%
H03JTuning resonant circuits13%
H04LTransmission of digital information, e.g. telegraphic communication11%
H04NPictorial communication, e.g. television11%
G08BSignalling systems, e.g. personal calling systems6%
H03DDemodulation or transference of modulation from one carrier to another6%
H03GControl of amplification6%
G01SRadio direction-finding4%
H03FAmplifiers4%
B01DSeparation2%
PatentTitleYear
11,038,462Semiconductor device and wireless communication apparatus202110,374,849Signal processing apparatus and method201910,333,580Communication apparatus and method for controlling communication apparatus201910,250,844Signal processing device and method201910,228,469Reception device20199,729,814'Signal processing device and method'20179,531,417'Receiving circuit, receiving device, and receiving method'20169,167,185'Transmission and reception apparatus and transmission and reception system'20159,083,927'Monitoring camera system and control method for monitoring camera system'20158,233,864'Signal receiving apparatus, signal receiving method, signal receiving program and signal receiving system'20128,019,314'Radio communication apparatus'20116,463,268'ALC circuit receiver with sensitivity switching for controlling'20026,281,757'High frequency signal amplifying circuit and a receiver using the same'20016,242,981'AGC circuit'20016,215,829'Apparatus for selectively receiving carrier wave signals'20016,064,255'Pulse counting FM demodulator'20005,913,155'Broadcasting signal receiving apparatus and pulse counting demodulators'19995,909,644'AM radio receiver'19995,838,184'Equivalent variable resistor circuits'19985,300,826'Interface circuit for audio signal'19945,285,172'Current mirror power amplifier with gain controlled by resistor-capacitor network'19944,104,041'Apparatus and method for treating waste gas from urea prilling tower'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978Patents assigned to CHIYODA CHEM ENG CONSTRUCT CO (1)· patent assignee history
1978Based in Tokyo, JP· patent location history
1994–2019Patents assigned to SONY CORP (17)· patent assignee history
1994–2021Based in Kanagawa, JP· patent location history
1999Patents assigned to SONY CORPORTAION (1)· patent assignee history
2001Patents assigned to SONY CORPORATON (1)· patent assignee history
2019–2021Patents assigned to SONY SEMICONDUCTOR SOLUTIONS CORP (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SONY CORP | 17 | 1994–2019 |
| SONY SEMICONDUCTOR SOLUTIONS CORP | 3 | 2019–2021 |
| CHIYODA CHEM ENG CONSTRUCT CO | 1 | 1978 |
| SONY CORPORATON | 1 | 2001 |
| SONY CORPORTAION | 1 | 1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 21 | 1994–2021 |
| Tokyo, JP | 1 | 1978 |