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Masao Nagasawa

This inventor holds 7 USPTO granted patents. Top assignee: Nippondenso Co., Ltd.. Active years: 1977-1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masao Nagasawa. Retrieved from https://idiyas.com/inventor/masao-nagasawa

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 1.1

ph-index = 6

Forward Citations = 64(Granted Patents)

Location History:

Kariya, JA (1977 - 1978)
Kariya, JP (1978 - 1985)

Company Filing History:

Nippondenso Co., Ltd.

Years Active: 1977-1985

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7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4537174 - Output supply control apparatus for internal combustion engine magneto (1985-08-27),

2. 4184467 - Contactless ignition system for internal combustion engine (1980-01-22),

3. 4150652 - Contactless ignition system for internal combustion engine (1979-04-24),

4. 4116188 - Capacitor discharge type contactless ignition system for internal (1978-09-26),

5. 4079712 - Contactless capacitor discharge type ignition system for internal (1978-03-21),

6. 4075989 - Method for operating 2-cycle internal combustion engine (1978-02-28),

7. 4014309 - Capacitor discharge type contactless ignition system for internal (1977-03-29),

Profile summary based on public USPTO records.

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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