logo

For the Inventor, By the Inventor

Takasaki, Japan

Isao Kaetsu

This inventor holds 34 USPTO granted patents, primarily in Polymer Technology. Top assignees: Japan Atomic Energy Institute, Tokyo Optical Company, Ltd., Japan Immunoresearch Laboratories Co., Ltd.. Active years: 1976-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Isao Kaetsu. Retrieved from https://idiyas.com/inventor/isao-kaetsu

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

USPTO Granted Patents = 34

% Patents Active = 100.0

Average Co-Inventor Count = 3.5

ph-index = 17

Forward Citations = 793(Granted Patents)


Location History:

  • Takasaki, JA (1976 - 1978)
  • Takasaki, JP (1978 - 1990)
  • Gunma, JP (1984 - 1991)
  • Takatsuki, JP (1991 - 1992)

Company Filing History:

goldMedal33 out of 322 
 
Japan Atomic Energy Institute
 patents
silverMedal2 out of 3 
 
Tokyo Optical Company, Ltd.
 patents
bronzeMedal1 out of 16 
 
Japan Immunoresearch Laboratories Co., Ltd.
 patents
4. 1 out of 1 
 
Kabushiki Kaisha Tokyo Contact Lens Kenkyusho
 patent
5. 1 out of 1 
 
Keizo Shida
 patent
6. 1 out of 2,304 
 
Mitsubishi Gas Chemical Company, Inc.
 patents
7. 1 out of 229 
 
Senju Pharmaceutical Co., Ltd.
 patents
8. 1 out of 357 
 
Shindengen Electric Manufacturing Company Limited
 patents
9. 1 out of 2 
 
Takeda Chemical Indus., Ltd.
 patents
10. 1 out of 1,858 
 
Takeda Chemical Industries, Inc.
 patents
11. 1 out of 1 
 
Tokyo Contact Lens Research Institute
 patent
12. 1 out of 1 
 
Tokyo Optical Company Ltd. (Kabushiki Kaisha Tokyo Megane)
 patent
13. 1 out of 18 
 
Yamanashi Electronics Co., Ltd.
 patents
14. 1 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1976-1992

Loading Chart...
Areas of Expertise:
Electroresponsive Hydrogel
Slow-Release Composite
Contact Lens Manufacturing
Polymer Composition
Immobilization Techniques
Thermosetting Resin
Curable Resin
Transparent Resin Composite
Microorganism Immobilization
Clinical Testing Particulates
Physiologically Active Substances
Abrasion-Resistant Coating
34 patents (USPTO):Explore Patents
1. 5152758 - Electroresponsive hydrogel and physiologically active substance release (1992-10-06),
2. 5061057 - Porous contact lens and method for making it (1991-10-29),
3. 4981798 - Immobilization of growing microorganisms on polymer-coated cotton gauze (1991-01-01),
4. 4912000 - Electrophotographic photoreceptor (1990-03-27),
5. 4904708 - Method of manufacturing soft contact lens material (1990-02-27),
6. 4839109 - Process for producing a contact lens (1989-06-13),
7. 4800085 - Slow-release composite and process for producing the same (1989-01-24),
8. 4769082 - Method of pretreatment in saccharification and fermentation of waste (1988-09-06),
9. 4652443 - Slow-release composite and process for producing the same (1987-03-24),
10. 4584136 - Process for preparing Estracyt compounds having a carcinostatic bound (1986-04-22),
11. 4582719 - Process for producing a slow release composite (1986-04-15),
12. 4552633 - Fine particulate for use in clinical testing and a process for producing (1985-11-12),
13. 4483807 - Process for producing a slow release composite (1984-11-20),
14. 4411754 - Process for preparing a polymer composition (1983-10-25),
15. 4379038 - Process for preparing a physiologically active substance controlled (1983-04-05),

Title: The Innovative Journey of Inventor Isao Kaetsu

Introduction: Isao Kaetsu, a pioneering inventor hailing from Takasaki, Japan, has made significant contributions to the world of technology through his groundbreaking innovations.

Latest Patents: Isao Kaetsu's latest patents focus on advancements in renewable energy technologies, particularly in the field of solar power generation and energy storage systems.

Career Highlights: With a career spanning over three decades, Isao Kaetsu has established himself as a leading figure in the renewable energy sector. His work has led to the development of more efficient and sustainable energy solutions that have garnered international recognition.

Collaborations: Throughout his career, Isao Kaetsu has collaborated with top research institutions and leading technology companies to further his research and bring his inventions to life. His collaborative efforts have resulted in cutting-edge technologies that are shaping the future of renewable energy.

Conclusion: Isao Kaetsu's relentless pursuit of innovation and his dedication to creating a more sustainable world have solidified his position as a visionary inventor in the field of renewable energy. His contributions continue to inspire future generations of inventors and researchers to push the boundaries of what is possible in the realm of technology.

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]
Loading…