Inventor

Yutaka Tomiyori

Inventor

Tokyo, JP

Overview

10→

Patents

1990–2004

Patent span

Electricity

Primary field (CPC H)

Patents· 10 as inventor

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

H04Mprimary

H04MTelephonic communication25%

H04WWireless communication networks20%

H04BTransmission15%

H02JElectric power 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%

G06FElectric digital data processing5%

H02HEmergency protective circuit arrangements5%

H03KPulse technique5%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%

PatentTitleYear

6,810,075'CDMA receiver and CDMA receiving method'2004 6,119,023'Digital portable telephone set having backlighted display with reduced power consumption'2000 5,890,780'Power supply switching apparatus with protection function for supplying power to an electronic circuit via an external power source or an internal power supply source'1999 5,563,495'Charging circuit with battery charge monitor circuit'1996 5,475,324'Clock generator with an automatic frequency change function'1995 5,459,786'Loudspeaker telephone device comprising a novel noise suppressing circuit'1995 5,391,928'Switching circuit having a reduced output impedance'1995 5,305,372'Mobile unit with speed dialing feature for cellular telephone network'1994 5,212,810'Terminal equipment of a vehicle radio telephone system'1993 4,974,250'Adapter for mounting a portable telephone on a vehicle'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2000Patents assigned to NEC CORP (9)· patent assignee history

1990–2004Based in Tokyo, JP· patent location history

2004Patents assigned to NIPPON ELECTRIC CO (1)· patent assignee history

2004Patents assigned to NTT DOCOMO INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NEC CORP	9	1990–2000
NIPPON ELECTRIC CO	1	2004
NTT DOCOMO INC	1	2004

Locations

Location	Patents	Span
Tokyo, JP	10	1990–2004