Yoshiaki Kohama

This inventor holds 14 USPTO granted patents. Top assignees: Nikon Corporation, Ebara Corporation. Active years: 1995-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshiaki Kohama. Retrieved from https://idiyas.com/inventor/yoshiaki-kohama

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

USPTO Granted Patents = 14

% Patents Active = 100.0

Average Co-Inventor Count = 2.3

ph-index = 8

Forward Citations = 306(Granted Patents)

Location History:

Kanagawa-ken, JP (1997 - 1998)
Tokyo, JP (2005)
Kanagawa, JP (2007 - 2008)
Kawasaki, JP (1995 - 2010)

Company Filing History:

Years Active: 1995-2010

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. RE41665 - Object observation apparatus and object observation (2010-09-13),

2. 7439502 - Electron beam apparatus and device production method using the electron beam apparatus (2008-10-21),

3. RE40221 - Object observation apparatus and object observation (2008-04-07),

4. 7244932 - Electron beam apparatus and device fabrication method using the electron beam apparatus (2007-07-17),

5. 6958477 - Electron beam apparatus, and inspection instrument and inspection process thereof (2005-10-25),

6. 6953944 - Scanning device and method including electric charge movement (2005-10-11),

7. 6677587 - Electron beam apparatus, and inspection instrument and inspection process thereof (2004-01-13),

8. 6670602 - Scanning device and scanning method (2003-12-30),

9. 6518582 - Electron beam apparatus, and inspection instrument and inspection process thereof (2003-02-11),

10. 6479819 - Object observation apparatus and object observation (2002-11-12),

11. 6184526 - Apparatus and method for inspecting predetermined region on surface of specimen using electron beam (2001-02-06),

12. 5780853 - Scanning electron microscope (1998-07-14),

13. 5646403 - Scanning electron microscope (1997-07-08),

14. 5466936 - Charged particle microscope (1995-11-14),

Title: Yoshiaki Kohama - Pioneering Inventor from Kawasaki, JP

Introduction: Yoshiaki Kohama is a renowned inventor hailing from Kawasaki, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Kohama's latest patents include cutting-edge advancements in robotics, artificial intelligence, and sustainable energy solutions, showcasing his commitment to pushing the boundaries of technological development.

Career Highlights: With a career spanning over two decades, Kohama has worked with leading tech companies in Japan, spearheading research and development projects that have led to the creation of revolutionary products and systems.

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

Conclusion: Yoshiaki Kohama's dedication to innovation and his relentless pursuit of technological excellence continue to inspire the next generation of inventors and shape the future of technology in Japan and beyond.

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]