Rensei Futatsuka

This inventor holds 9 USPTO granted patents. Top assignees: Mitsubishi Shindoh Co., Ltd., Tamagawa Kikai Kinzoku Kabushiki Kaisha. Active years: 1981-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Rensei Futatsuka. Retrieved from https://idiyas.com/inventor/rensei-futatsuka

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

USPTO Granted Patents = 9

% Patents Active = 100.0

Average Co-Inventor Count = 3.4

ph-index = 6

Forward Citations = 79(Granted Patents)

Location History:

all of, JP (1989)
Aizuwakamatsu, JP (1981 - 1999)
Tokyo, JP (1999)

Company Filing History:

8 out of 71

Mitsubishi Shindoh Co., Ltd.

patents

1 out of 1

Tamagawa Kikai Kinzoku Kabushiki Kaisha

patent

Years Active: 1981-1999

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9 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5997810 - High-strength copper based alloy free from smutting during pretreatment (1999-12-07),

2. 5885376 - Corrosion-resistant high-strength copper based alloy having excellent (1999-03-23),

3. 5667752 - Copper alloy sheet for connectors and connectors formed of same (1997-09-16),

4. 5510197 - Lead frame material and lead frame for semiconductor device (1996-04-23),

5. 5463247 - Lead frame material formed of copper alloy for resin sealed type (1995-10-31),

6. 4877577 - Copper alloy lead frame material for semiconductor devices (1989-10-31),

7. 4750029 - Copper base lead material for leads of semiconductor devices (1988-06-07),

8. 4668471 - Copper alloy lead material for leads of a semiconductor device (1987-05-26),

9. 4249941 - Copper base alloy for leads of integrated circuit (1981-02-10),

Title: The Innovative Mind of Rensei Futatsuka

Introduction: Rensei Futatsuka, a pioneering inventor hailing from Aizuwakamatsu, Japan, is renowned for his groundbreaking contributions to the world of technology and innovation.

Latest Patents: Futatsuka's recent patents include advancements in renewable energy systems, artificial intelligence algorithms, and sustainable transportation solutions.

Career Highlights: With a career spanning over two decades, Futatsuka has established himself as a leading figure in the field of technological innovation. His work has been instrumental in shaping the future of various industries, from healthcare to telecommunications.

Collaborations: Futatsuka has collaborated with top research institutions, leading companies, and innovative startups to bring his ideas to life. His ability to work across disciplines and industries has led to the development of cutting-edge technologies with real-world applications.

Conclusion: Rensei Futatsuka's relentless pursuit of innovation and his passion for pushing the boundaries of what is possible have solidified his reputation as a visionary inventor with a lasting impact on the world stage.

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]