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For the Inventor, By the Inventor

Tokyo, Japan

Masanori Itagaki

This inventor holds 19 USPTO granted patents, primarily in Rotary Dampers. Top assignees: Ricoh Company, Ltd., Kabushiki Kaisha Somic Ishikawa, Nippon Kokan Kabushiki Kaisha. Active years: 1983-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masanori Itagaki. Retrieved from https://idiyas.com/inventor/masanori-itagaki

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

USPTO Granted Patents = 19

% Patents Active = 94.7

Average Co-Inventor Count = 3.6

ph-index = 7

Forward Citations = 144(Granted Patents)


Location History:

  • Yokohama, JP (1987 - 1990)
  • Kawasaki, JP (1983 - 1991)
  • Tokyo, JP (1987 - 2014)

Company Filing History:

goldMedal9 out of 28,940 
 
Ricoh Company, Ltd.
 patents
silverMedal6 out of 34 
 
Kabushiki Kaisha Somic Ishikawa
 patents
bronzeMedal2 out of 487 
 
Nippon Kokan Kabushiki Kaisha
 patents
4. 2 out of 614 
 
Nkk Corporation
 patents
5. 1 out of 49 
 
Ricoh Research Institute of General Electronics
 patents
where one patent can have more than one assignee

Years Active: 1983-2014

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Areas of Expertise:
Rotary Damper
Image Sensing
Electronic Device
Photoelectric Element
Thin-Film Device
Linear Solid State Sensor
Force Detecting Device
Aromatic Urethanes
Automobile Parts
Optical Reader
19 patents (USPTO):Explore Patents
1. 8657084 - Rotary damper (2014-02-25),
2. 8469163 - Rotary damper (2013-06-25),
3. 8261894 - Rotary damper (2012-09-11),
4. 7575109 - Rotary damper and method for manufacturing rotary damper (2009-08-18),
5. 7204353 - Rotary damper, auto part having rotary damper and rotational motion assistant mechanism (2007-04-17),
6. 7066308 - Rotary damper and automobile part comprising it and auxiliary mechanism of rotary operation (2006-06-27),
7. 5306842 - Method of manufacturing aromatic urethanes (1994-04-26),
8. 5130464 - Method of manufacturing aromatic urethanes (1992-07-14),
9. 5053845 - Thin-film device (1991-10-01),
10. 4977304 - Linear solid state image sensor (1990-12-11),
11. 4970607 - Full-size image sensor (1990-11-13),
12. 4849730 - Force detecting device (1989-07-18),
13. 4805032 - Total contact type photoelectric conversion device and optical reader (1989-02-14),
14. 4788522 - Image sensing (1988-11-29),
15. 4699994 - Method of manufacturing diphenylmethane dicarbamic acid diesters (1987-10-13),

Title: The Innovative Mind of Masanori Itagaki

Introduction: Masanori Itagaki is a renowned inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Masanori Itagaki holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous innovation and forward-thinking approach.

Career Highlights: With a career spanning over two decades, Masanori Itagaki has worked with leading research institutions and tech companies, spearheading projects that have revolutionized the industry.

Collaborations: Throughout his career, Masanori Itagaki has collaborated with top engineers, scientists, and designers, fostering a culture of creativity and excellence in all his endeavors.

Conclusion: Masanori Itagaki's passion for innovation and his relentless pursuit of technological advancement have solidified his position as a visionary inventor in the global landscape of inventions and patents.

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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