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Ryotaro Hanawa

USPTO Granted Patents = 13

Average Co-Inventor Count = 5.5

ph-index = 4

Forward Citations = 40(Granted Patents)

Location History:

Ibaraki, JP (1993 - 1998)
Osaka, JP (1994 - 2002)

Company Filing History:

13 out of 6,894

Sumitomo Chemical Company, Limited

Years Active: 1993-2002

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13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6383708 - Positive resist composition (2002-05-07),

2. 5792585 - Radiation-sensitive positive resist composition (1998-08-11),

3. 5783355 - Radiation-sensitive positive resist composition (1998-07-21),

4. 5736292 - Radiation-sensitive positive resist composition comprising an alkali (1998-04-07),

5. 5714620 - Polyhydric phenol compound and positive resist composition comprising (1998-02-03),

6. 5587492 - Polyhydric phenol compound and positive resist composition comprising (1996-12-24),

7. 5436107 - Positive resist composition (1995-07-25),

8. 5362598 - Quinone diazide photoresist composition containing alkali-soluble resin (1994-11-08),

9. 5354644 - Photoresist compositions comprising styryl compound (1994-10-11),

10. 5336583 - Positive quinonediazide resist composition utilizing mixed solvent of (1994-08-09),

11. 5283324 - Process for preparing radiation sensitive compound and positive resist (1994-02-01),

12. 5218136 - Styryl compounds, process for preparing the same and photoresist (1993-06-08),

13. 5198323 - Resist composition containing alkali-soluble resin, 1,2-quinone diazide (1993-03-30),

Title: Ryotaro Hanawa: Pioneering Inventor from Osaka

Introduction: Ryotaro Hanawa is a distinguished inventor hailing from Osaka, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Hanawa's recent patents focus on advancements in robotics, artificial intelligence, and sustainable energy solutions, showcasing his commitment to creating a more efficient and eco-friendly future.

Career Highlights: With over two decades of experience in the industry, Hanawa has led numerous research projects that have resulted in cutting-edge inventions, earning him recognition as a visionary in his field.

Collaborations: Throughout his career, Hanawa has collaborated with leading tech companies, research institutions, and universities worldwide, fostering a culture of innovation and knowledge-sharing.

Conclusion: Ryotaro Hanawa's passion for innovation and his relentless pursuit of excellence continue to inspire the next generation of inventors and shape the landscape of technological advancements globally.

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