Takao Sato

This inventor holds 71 USPTO granted patents and 4 published patent applications, plus 4 CIPO patents and 9 EPO patents, primarily in Semiconductor Devices (CPC class H01L). Top assignees: Hitachi, Ltd., Kabushiki Kaisha Toshiba, Seed Company Limited. Active years: 1978-2025.

USPTO Granted Patents = 71 (Patent Applications = 4)

% Patents Active = 66.2

CIPO Patents = 4 (Patent Applications = 2)

EPO Patents = 9 (Patent Applications = 10)

Average Co-Inventor Count = 3.0

ph-index = 12

Forward Citations = 748(Granted Patents)

Forward Citations (Not Self Cited) = 726(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Ibaraki, JA (1978)
Tokaimura, JP (1981)
Toukai, JP (1986 - 1987)
Kawasaki, JP (1987)
Ibaraki, JP (1978 - 1988)
Sagamihara, JP (1993 - 1995)
Chita, JP (1999)
Yokkaichi, JP (2004)
Odawara, JP (2004 - 2015)
Edogawa-ku, JP (2012 - 2015)
Yokkaichi Mie, JP (2015)
Mie, JP (2015)
Yokohama, JP (2017)
Tokyo, JP (1982 - 2020)

Company Filing History:

Kabushiki Kaisha Toshiba

Senju Pharmaceutical Co., Ltd.

patents

5. 3 out of 9

Nippon Steel Hardfacing Co., Ltd.

patents

6. 1 out of 70

Daiichi Seiyaku Co., Ltd.

patents

7. 1 out of 86

Fujimori Kogyo Co., Ltd.

patents

8. 1 out of 149

Hitachi Microcomputer Engineering, Ltd.

patents

9. 1 out of 1,762

National Institute of Advanced Industrial Science and Technology

patents

10. 1 out of 1,085

Riso Kagaku Corporation

patents

where one patent can have more than one assignee

Years Active: 1978-2025

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Areas of Expertise:

Endoscope Hood

Ocular Lens

Anionic Drug

Hydrogel Contact Lens

Semiconductor Manufacturing

Data Replication

Storage Systems

Blood Observation Device

Polymer Gel

Spent Fuel Storage

Remote Copy

Drug Release

71 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12349865 - Endoscope hood (2025-07-08),

2. 12178938 - UV absorbing ocular lens (2024-12-31),

3. 12161652 - Anionic drug-containing ophthalmic device (2024-12-10),

4. 10668157 - Anionic drug-containing medical device (2020-06-02),

5. 10159642 - Functional polymer gel containing organic nanotubes and method for producing same (2018-12-25),

6. 9679668 - Spent fuel storage rack (2017-06-13),

7. D783175 - Blood observation device (2017-04-04),

8. 9486362 - Ring-shaped device (2016-11-08),

9. 9329408 - Wettable hydrogel contact lens and method for producing same (2016-05-03),

10. 9153566 - Semiconductor device manufacturing method and semiconductor device (2015-10-06),

11. 9099459 - Semiconductor device and manufacturing method of the same (2015-08-04),

12. 9058305 - Remote copy method and remote copy system (2015-06-16),

13. 8943025 - Data replication among storage systems (2015-01-27),

14. 8941246 - Semiconductor device and manufacturing method thereof (2015-01-27),

15. 8940318 - Hydrogel contact lens for sustained drug release and drug release method using hydrogel contact lens for sustained drug release (2015-01-27),

Title: Inventor Takao Sato

Introduction: Takao Sato is a renowned inventor hailing from Odawara, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Takao Sato holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his innovative spirit and forward-thinking approach.

Career Highlights: With a career spanning over two decades, Takao Sato has worked with leading research institutions and tech companies, consistently pushing the boundaries of innovation. His inventions have revolutionized industries and improved the quality of life for many.

Collaborations: Throughout his career, Takao Sato has collaborated with top engineers, scientists, and designers from around the world, fostering a culture of creativity and excellence in his projects. His collaborative efforts have led to the development of cutting-edge technologies that have received international acclaim.

Conclusion: Takao Sato's passion for innovation and his relentless pursuit of excellence have established him as a prominent figure in the world of inventors. His contributions continue to inspire future generations of innovators to push the limits of what is possible.