Masahiro Ohta

This inventor holds 70 USPTO granted patents, primarily in Polyimide Chemistry (CPC class 5281). Top assignees: Mitsui Toatsu Chemicals, Incorporated, Mitsui Chemicals, Inc., Amdahl Corporation. Active years: 1988-2000.

USPTO Granted Patents = 70

% Patents Active = 100.0

Average Co-Inventor Count = 4.8

ph-index = 13

Forward Citations = 549(Granted Patents)

Forward Citations (Not Self Cited) = 482(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Yokohama, JP (1988 - 1996)
Fukuoka, JP (1992 - 1996)
Ohmuta, JP (1992 - 1996)
Fukuoka-Ken, JP (1996 - 1997)
Kanagawa-ken, JP (1997 - 1998)
Kanagawa, JP (1990 - 2000)

Company Filing History:

65 out of 1,379

Mitsui Toatsu Chemicals, Incorporated

patents

4 out of 1,814

Mitsui Chemicals, Inc.

Years Active: 1988-2000

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Areas of Expertise:

Polyimide

Polyamide

Optical Component

Thermosetting Resin

Bismaleimide

Carbon Fiber

Aromatic Diamine

Lactic Acid

Polyhydroxycarboxylic Acid

Cured Phenolic Resins

Preparation Process

70 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6103860 - Fluorine-containing polyamide (2000-08-15),

2. 6080833 - Low-birefringent organic optical component and a spirobiindan polymer (2000-06-27),

3. 5990261 - Organic optical component (1999-11-23),

4. 5821319 - Liquid crystal polyamide-imide copolymer (1998-10-13),

5. 5770683 - Preparation process of polyhydroxycarboxylic acid (1998-06-23),

6. 5708128 - Linear polyamic acid, linear polyimide and thermoset polyimide (1998-01-13),

7. 5650463 - Carbon fiber-reinforced polimide resin composition (1997-07-22),

8. 5646238 - Preparation process of polyhydroxycarboxylic acid (1997-07-08),

9. 5616783 - Purification process of polyhydroxycarboxylic acid (1997-04-01),

10. 5554765 - Bisimide compounds, polyimide resin composition prepared therefrom, and (1996-09-10),

11. 5525704 - Resin forming compositions (1996-06-11),

12. 5514748 - Polyimide based resin composition comprising cured phenolic resins and (1996-05-07),

13. 5512653 - Lactic acid containing hydroxycarboxylic acid for the preparation of (1996-04-30),

14. 5506311 - Polyimides, process for the preparation thereof and polyimide resin (1996-04-09),

15. 5484948 - Bismaleimide compounds (1996-01-16),

Title: The Innovative Journey of Masahiro Ohta

Introduction: Masahiro Ohta is a renowned inventor hailing from Yokohama, Japan. With a passion for creating groundbreaking solutions, he has made significant contributions to the field of technology through his inventive spirit and dedication.

Latest Patents: Masahiro Ohta holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies. His recent patents focus on enhancing efficiency and sustainability in various industries.

Career Highlights: Throughout his career, Masahiro Ohta has worked with leading tech companies in Japan, spearheading research and development projects that have led to cutting-edge innovations. His expertise in merging technology with sustainability has garnered him recognition in the industry.

Collaborations: Masahiro Ohta has collaborated with top research institutions and universities in Japan to further his inventions and bring them to market. His collaborative efforts have resulted in the successful implementation of his ideas in real-world applications.

Conclusion: Masahiro Ohta's inventive prowess and commitment to technological advancement continue to inspire the next generation of innovators. His contributions to the field of technology have left a lasting impact, shaping the future of innovation in Japan and beyond.