Masao Itoh

This inventor holds 17 USPTO granted patents, plus 1 CIPO patent and 1 EPO patent, primarily in Optical Devices. Top assignees: Konica Corporation, Combi Co., Ltd., Daiichi Pharmaceutical Co., Ltd.. Active years: 1987-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masao Itoh. Retrieved from https://idiyas.com/inventor/masao-itoh-5l6lbnm5

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 = 82.4

CIPO Patents = 1 (Patent Applications = 1)

EPO Patents = 1

Average Co-Inventor Count = 4.5

ph-index = 9

Forward Citations = 226(Granted Patents)

Location History:

Hachioji, JP (1993 - 2001)
Edogawa-ku, JP (2011)
Tokyo, JP (1987 - 2015)
Shinagawa-ku, JP (2018)

Company Filing History:

Daiichi Pharmaceutical Co., Ltd.

patents

4. 2 out of 463

Daiichi Sankyo Company, Limited

patents

5. 1 out of 264

National Cancer Center

patents

where one patent can have more than one assignee

Years Active: 1987-2018

Loading Chart...

Areas of Expertise:

Isoxazole Derivative

Isocitrate Dehydrogenase Inhibitor

Pyrrolidinone Derivative

Dehalogeno-Compounds

Quinolonecarboxylic Acid

Optical Deflection Device

Dynamic Pressure Bearing

Bicycle Ergometer

Eddy Current Brake

Surface Processing

Image Forming Apparatus

Cutting Apparatus

17 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10040791 - Isoxazole derivative as mutant isocitrate dehydrogenase 1 inhibitor (2018-08-07),

2. 8952010 - Amino group-containing pyrrolidinone derivative (2015-02-10),

3. 7902226 - Dehalogeno-compounds (2011-03-08),

4. 6900225 - Quinolonecarboxylic acid derivative (2005-05-31),

5. 6172786 - Optical deflection device and image forming apparatus therewith (2001-01-09),

6. 5963353 - Optical deflector and adjusting method thereof (1999-10-05),

7. 5946122 - Rotating device and light beam deflecting apparatus (1999-08-31),

8. 5711612 - Dynamic pressure bearing (1998-01-27),

9. 5688053 - Dynamic pressure bearing (1997-11-18),

10. 5566598 - Method for surface processing of a photoreceptor base for (1996-10-22),

11. 5538347 - Dynamic pressure bearing (1996-07-23),

12. 5506786 - Cutting apparatus (1996-04-09),

13. 5228369 - Method of surface machining for substrate of electrophotographic (1993-07-20),

14. 5170683 - Method for surface-processing of a photoreceptor base for (1992-12-15),

15. 4817938 - Bicycle ergometer and eddy current brake therefor (1989-04-04),

Title: Masao Itoh - Pioneering Inventor from Hachioji, Japan

Introduction: Masao Itoh is a renowned inventor hailing from Hachioji, Japan, known for his groundbreaking contributions to the field of technology and innovation.

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

Career Highlights: With a career spanning over three decades, Masao Itoh has worked with leading tech companies in Japan, spearheading projects that have revolutionized industries and improved the quality of life for many.

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

Conclusion: Masao Itoh's passion for innovation, coupled with his relentless drive to push the boundaries of technology, has solidified his reputation as a trailblazing inventor in the global tech community.

Profile summary based on public USPTO records.