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For the Inventor, By the Inventor

Tokyo, Japan

Mitsutoshi Ayano

This inventor holds 6 USPTO granted patents. Top assignee: Fujitsu Corporation. Active years: 1979-1989.

USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 4.3

ph-index = 4

Forward Citations = 41(Granted Patents)


Company Filing History:

goldMedal6 out of 39,363 
 
Fujitsu Corporation
 patents

Years Active: 1979-1989

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6 patents (USPTO):Explore Patents
1. 4827505 - Subscriber line interface circuit (1989-05-02),
2. 4748659 - Calling signal transmission apparatus (1988-05-31),
3. 4677669 - Battery feed circuit for a pair of subscriber lines (1987-06-30),
4. 4631366 - Battery feed circuit for subscriber line (1986-12-23),
5. 4588860 - Battery feed circuit for telephone subscriber line (1986-05-13),
6. 4175218 - Telephone switching system (1979-11-20),
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