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Nagaokakyo, Japan

Toshiro Tsukahara

This inventor holds 4 USPTO granted patents. Top assignee: Mitsubishi Denki Kabushiki Kaisha. Active years: 1990-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshiro Tsukahara. Retrieved from https://idiyas.com/inventor/toshiro-tsukahara

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

USPTO Granted Patents = 4

% Patents Active = 100.0

Average Co-Inventor Count = 3.3

ph-index = 3

Forward Citations = 19(Granted Patents)

Location History:

Kyoto, JP (1991)
Nagaokakyo, JP (1990 - 1998)
Nafaokakyo, JP (1999)

Company Filing History:

4 out of 21,351

Mitsubishi Denki Kabushiki Kaisha

Years Active: 1990-1999

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5905479 - Coloring device with rotary filter and detection sensor mounted on the (1999-05-18),

2. 5734520 - Magnetic recording/reproducing apparatus (1998-03-31),

3. 4985794 - Rotary drum device having a head drive with positively bonded bobbin (1991-01-15),

4. 4930030 - Signal recording/reproducing device (1990-05-29),

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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