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For the Inventor, By the Inventor

Tokyo, Japan

Seizo Ohta

This inventor holds 5 USPTO granted patents. Top assignee: Nec Corporation. Active years: 1988-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seizo Ohta. Retrieved from https://idiyas.com/inventor/seizo-ohta

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

Calculating rank
USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 4

Forward Citations = 93(Granted Patents)


Company Filing History:

goldMedal5 out of 36,770 
 
Nec Corporation
 patents

Years Active: 1988-1994

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5 patents (USPTO):Explore Patents
1. D345557 - Telephone set (1994-03-29),
2. D342252 - Telephone set (1993-12-14),
3. D300926 - Key telephone set (1989-05-02),
4. D298939 - Key telephone set with speakerphone and visual display panel (1988-12-13),
5. D298938 - Key telephone set with speaker phone (1988-12-13),

Title: Seizo Ohta - Pioneering Inventor from Tokyo, JP

Introduction: Seizo Ohta is a renowned inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Seizo Ohta holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous commitment to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over three decades, Seizo Ohta has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant technological breakthroughs.

Collaborations: Throughout his career, Seizo Ohta has collaborated with top researchers, engineers, and scientists both in Japan and internationally, fostering a culture of innovation and knowledge sharing.

Conclusion: Seizo Ohta's relentless pursuit of innovation and his passion for creating technology that positively impacts society solidify his position as a trailblazing inventor in the global tech landscape.

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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