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Masayoshi Minai

This inventor holds 69 USPTO granted patents, primarily in Liquid Crystal Technology (CPC class 5601). Top assignees: Sumitomo Chemical Company, Limited, Agency of Industrial Science and Technology, Hitachi, Ltd.. Active years: 1976-2006.

USPTO Granted Patents = 69

% Patents Active = 95.7

Average Co-Inventor Count = 3.4

ph-index = 8

Forward Citations = 204(Granted Patents)

Forward Citations (Not Self Cited) = 178(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Moriyama, JA (1976 - 1978)
Minoo, JA (1977 - 1978)
Shiga, JP (1996 - 2001)
Moriyama, JP (1982 - 2006)

Company Filing History:

69 out of 6,959

Sumitomo Chemical Company, Limited

patents

1 out of 1,430

Agency of Industrial Science and Technology

New Energy and Industrial Technology Development Organization

patent

where one patent can have more than one assignee

Years Active: 1976-2006

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Areas of Expertise:

Liquid Crystal

Phenylacetylene Compounds

Optically Active Compounds

Tetrazole Compounds

Benzene Derivatives

Tertiary Phosphine

Optical Elements

Process for Production

Acetylene Derivatives

Thiophene Derivatives

Liquid Crystal Mixture

Optically Anisotropic Products

69 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7135579 - Dibenzothiophene oxide compound, and process for producing the same (2006-11-14),

2. 6849202 - COMPOUND HAVING PHENYLACETYLENE STRUCTURE, LIQUID CRYSTAL COMPOSITION, POLYMER, OPTICALLY ANISOTROPIC PRODUCT, OPTICAL OR LIQUID CRYSTAL ELEMENT, DIBENZOTHIOPHENE COMPOUND, INTERMEDIATE, AND PROCESS FOR PRODUCING THE SAME (2005-02-01),

3. 6673267 - Phenylacetylene compound, liquid crystal composition, polymer, optically anisotropic product, and liquid crystal or optical element (2004-01-06),

4. 6623810 - Phenylacetylene compound, liquid crystal composition, and liquid crystal element produced with the same (2003-09-23),

5. 6277998 - Production process and intermediate of tetrazole compound (2001-08-21),

6. 6246452 - Liquid crystal, liquid crystal mixture having Tau-V min mode driving with negative or zero temperature dependency (2001-06-12),

7. 6191289 - Production process and intermediate of tetrazole compound (2001-02-20),

8. 6149837 - Phenylacetylene compound and liquid crystal composition comprising the (2000-11-21),

9. 6063940 - Process for preparing 1-bromoalkylbenzene derivatives and intermediates (2000-05-16),

10. 6030546 - Trans-olefin compounds, method for production thereof, liquid crystal (2000-02-29),

11. 5874593 - Production process and intermediate of tetrazole compound (1999-02-23),

12. 5779934 - Fluorine-containing optically active compound, process for preparing the (1998-07-14),

13. 5762825 - Liquid crystal mixture and liquid crystal device comprising the same (1998-06-09),

14. 5741438 - Optically active biphenyl derivative, process for preparation thereof, (1998-04-21),

15. 5723610 - Alcohol reactants for forming phenylpyrimidine derivatives and process (1998-03-03),

Title: The Innovative Journey of Masayoshi Minai

Introduction: Masayoshi Minai, a pioneering inventor hailing from Moriyama, Japan, has made significant contributions to the world of technology through his groundbreaking innovations.

Latest Patents: Masayoshi Minai holds several patents in the field of robotics and artificial intelligence, with his most recent inventions focusing on advanced human-robot interactions and autonomous systems.

Career Highlights: Throughout his illustrious career, Masayoshi Minai has worked with top research institutions and leading tech companies to develop cutting-edge technologies that have revolutionized various industries. His expertise in machine learning and computer vision has led to the creation of innovative solutions that have garnered international acclaim.

Collaborations: Masayoshi Minai has collaborated with renowned universities and multinational corporations to further his research and bring his inventions to life. His collaborative efforts have resulted in the development of state-of-the-art robotic systems that are shaping the future of automation.

Conclusion: Masayoshi Minai's relentless pursuit of innovation and his passion for pushing the boundaries of technology have established him as a trailblazer in the field of robotics. His inventive spirit continues to inspire the next generation of inventors and engineers to explore new possibilities and drive progress in the ever-evolving world of technology.

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