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Inventor

Takashi Shiono

Inventor
Tokyo, JP

Overview

6→
Patents
1976–1998
Patent span
Electricity
Primary field (CPC H)

Patents· 6 as inventor

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

H04Mprimary
H04MTelephonic communication44%
B44FSpecial designs or pictures11%
G10KSound-producing devices11%
H03GControl of amplification11%
H04BTransmission11%
H04NPictorial communication, e.g. television11%
PatentTitleYear
5,796,850'Noise reduction circuit, noise reduction apparatus, and noise reduction method'19985,734,987'Noise-controlled communication apparatus'19985,721,771'Hands-free speaking device with echo canceler'19985,559,880'Circuit for hands free talking'19963,963,589'Process for the manufacture of a decorative aluminum product'1976RE028774'White balance control system'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to CITIZEN WATCH CO LTD (1)· patent assignee history
1976–1998Based in Tokyo, JP· patent location history
1976Based in Chofu, JP· patent location history
1996–1998Patents assigned to MITSUBISHI ELECTRIC CORP (4)· patent assignee history
1996–1998Based in Hyogo, JP· patent location history
1998Based in Amagasaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI ELECTRIC CORP41996–1998
CITIZEN WATCH CO LTD11976
Locations
LocationPatentsSpan
Tokyo, JP21976–1998
Hyogo, JP21996–1998
Amagasaki, JP11998
Chofu, JP11976