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For the Inventor, By the Inventor

Tottori, Japan

Masao Tanaka

This inventor holds 4 USPTO granted patents. Top assignees: Sanyo Electric Co., Ltd., Tottori Sanyo Electric Co., Ltd.. Active years: 1994-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masao Tanaka. Retrieved from https://idiyas.com/inventor/masao-tanaka-qvyn969y

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

Calculating rank
USPTO Granted Patents = 4

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 4

Forward Citations = 35(Granted Patents)


Location History:

  • Tottori, JP (1994 - 1995)
  • Tottori-ken, JP (1996)

Company Filing History:

goldMedal4 out of 8,782 
 
Sanyo Electric Co., Ltd.
 patents
silverMedal4 out of 143 
 
Tottori Sanyo Electric Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1994-1996

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4 patents (USPTO):Explore Patents
1. D373759 - Light receiving module (1996-09-17),
2. D364604 - Light receiving module (1995-11-28),
3. D364603 - Light receiving module (1995-11-28),
4. 5291054 - Light receiving module for converting light signal to electric signal (1994-03-01),

Title: Masao Tanaka: Inventor in Tottori

Introduction

Masao Tanaka is an inventor associated with Tottori, Japan. His work includes patents in the field of light-receiving technology.

Latest Patents

Tanaka’s latest listed patent is “Light Receiving Module.” The provided information reports that he holds 4 patents.

Career Highlights

Tanaka worked at Sanyo Electric Co., Ltd. and Tottori Sanyo Electric Co., Ltd. His patent record reflects his contributions as an inventor.

Collaborations

Among Tanaka’s listed coworkers are Susumu Maeta and Takashi Yamaoka.

Conclusion

Masao Tanaka’s four patents and work on light-receiving modules highlight his inventive activity and professional connections in Tottori, Japan.

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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