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For the Inventor, By the Inventor

Tokyo, Japan

Toshiro Ishiyama

This inventor holds 9 USPTO granted patents. Top assignee: Nikon Corporation. Active years: 1994-2006.

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

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

Calculating rank
USPTO Granted Patents = 9

% Patents Active = 100.0

Average Co-Inventor Count = 1.9

ph-index = 5

Forward Citations = 165(Granted Patents)


Location History:

  • Tokyo, JP (1994 - 1997)
  • Kawasaki, JP (1997 - 1998)
  • Saitama, JP (2006)

Company Filing History:

goldMedal9 out of 8,998 
 
Nikon Corporation
 patents

Years Active: 1994-2006

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9 patents (USPTO):Explore Patents
1. 7154585 - Projection optical system, exposure apparatus, and device production method (2006-12-26),
2. 5771125 - Catadioptric system for photolithography (1998-06-23),
3. 5694241 - Catadioptric reduction projection optical system and exposure apparatus (1997-12-02),
4. 5668673 - Catadioptric reduction projection optical system (1997-09-16),
5. 5592329 - Catadioptric optical system (1997-01-07),
6. 5477388 - Inverse telescopic wide angle lens (1995-12-19),
7. 5434425 - Optical position detecting apparatus (1995-07-18),
8. 5321554 - Inverse telescopic wide angle lens (1994-06-14),
9. 5321553 - Zoom lens (1994-06-14),

Title: Toshiro Ishiyama - Pioneering Inventor from Tokyo

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

Latest Patents: Toshiro Ishiyama holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With a career spanning over three decades, Ishiyama has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant advancements in various industries.

Collaborations: Throughout his career, Toshiro Ishiyama has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge sharing.

Conclusion: Toshiro Ishiyama's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a trailblazer in the world of technology, inspiring future generations of inventors to push the boundaries of what is possible.

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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