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For the Inventor, By the Inventor

Kawasaki, Japan

Kenji Kojima

This inventor holds 17 USPTO granted patents and 1 published patent application and 1 EPO patent, primarily in Semiconductor Technology. Top assignees: Kabushiki Kaisha Toshiba, Mitutoyo Corporation, Toshiba Solutions Corporation. Active years: 1985-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenji Kojima. Retrieved from https://idiyas.com/inventor/kenji-kojima-pq9pl7zh

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

Calculating rank
USPTO Granted Patents = 17 

% Patents Active = 52.9

 

Average Co-Inventor Count = 2.7

ph-index = 6

Forward Citations = 109(Granted Patents)


Location History:

  • Kunitachi, JP (1985)
  • Seto, JP (2002)
  • Utsunomiya, JP (2002)
  • Yokohama, JP (2005 - 2015)
  • Fuchu, JP (2015)
  • Kawasaki, JP (2004 - 2021)

Company Filing History:

goldMedal13 out of 53,276 
 
Kabushiki Kaisha Toshiba
 patents
silverMedal4 out of 1,679 
 
Mitutoyo Corporation
 patents
bronzeMedal2 out of 196 
 
Toshiba Solutions Corporation
 patents
where one patent can have more than one assignee

Years Active: 1985-2021

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Areas of Expertise:
Charging Management
Web Page Detection
Semiconductor Device
Modular Multiplication
IC Card
Photoelectric Encoder
Microorganism Prevention
Oxygen Density Control
17 patents (USPTO):Explore Patents
1. 11104235 - Charging management system (2021-08-31),
2. 9100434 - Web page falsification detection apparatus and storage medium (2015-08-04),
3. 8993354 - Evaluation pattern, method for manufacturing semiconductor device, and semiconductor wafer (2015-03-31),
4. 7266577 - Modular multiplication apparatus, modular multiplication method, and modular exponentiation apparatus (2007-09-04),
5. 7182264 - IC-card service period setting method, IC card, IC card case and battery charger (2007-02-27),
6. 7182251 - IC-card service period setting method, IC card, IC card case and battery charger (2007-02-27),
7. 7134600 - IC-card service period setting method, IC card, IC card case and battery charger (2006-11-14),
8. 7121472 - Semiconductor integrated circuit, semiconductor integrated circuit module and information apparatus (2006-10-17),
9. 7098446 - Photoelectric encoder (2006-08-29),
10. 7095011 - Photoelectric encoder for precise measurements (2006-08-22),
11. 6945467 - IC card, and method and program for preventing illegal use of IC card (2005-09-20),
12. 6933590 - Semiconductor device comprising plurality of semiconductor areas having the same top surface and different film thicknesses and manufacturing method for the same (2005-08-23),
13. 6906311 - Photoelectric encoder (2005-06-14),
14. 6811083 - IC card, and method and program for preventing illegal use of IC card (2004-11-02),
15. 6463766 - Washing machine with means for preventing propagation of microorganism (2002-10-15),

Title: Kenji Kojima - Pioneering Inventor from Kawasaki, JP

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

Latest Patents: Kenji Kojima 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 two decades, Kenji Kojima has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant technological breakthroughs in various industries.

Collaborations: Throughout his career, Kenji Kojima has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge sharing to drive progress in the tech sector.

Conclusion: Kenji Kojima's relentless pursuit of innovation and his passion for creating cutting-edge solutions have solidified his reputation as a visionary inventor, shaping 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]
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