Company Filing History:

23 out of 28,544

Ricoh Company, Ltd.

patents

2 out of 5,118

Bridgestone Corporation

Years Active: 1993-2024

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26 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12084536 - Polybutadiene, method of producing polybutadiene, polybutadiene composition, tire, and resin member (2024-09-10),

2. 11472907 - Polymerization catalyst composition, polymer manufacturing method, polymer, rubber composition, and tire (2022-10-18),

3. 10153244 - Display Device (2018-12-11),

4. 8917903 - Image inspection apparatus, image forming apparatus, image inspection method, and image inspection program (2014-12-23),

5. 8810861 - Image processing apparatus, image noise detecting method, and computer-readable recording medium which averages pixel values of multiple pixels aligned in the sub-scanning direction (2014-08-19),

6. 8538086 - Image inspection apparatus, image inspection method, and computer program product (2013-09-17),

7. 8374432 - Image processing apparatus, image forming apparatus, image processing method, and computer program product (2013-02-12),

8. 8055084 - Image processing device, image compression method, image compression program, and recording medium (2011-11-08),

9. 7663783 - Image-processing device processing image data by judging a detected and expanded medium-density field as a non-character edge field (2010-02-16),

10. 7139100 - Image-processing device processing image data by judging a detected and expanded medium-density field as a non-character edge field (2006-11-21),

11. 7085013 - Image processing apparatus including low-linear-density dot region detection unit, and image forming apparatus including the same (2006-08-01),

12. 6965695 - Method and system for processing character edge area data (2005-11-15),

13. 6655861 - Image processing apparatus including low-linear-density dot region detection unit, and image forming apparatus including the same (2003-12-02),

14. 6272248 - Original-discrimination system for discriminating special document, and image forming apparatus, image processing apparatus and duplicator using the original-discrimination system (2001-08-07),

15. 6014462 - Image processing apparatus and method for distinguishing alphanumeric (2000-01-11),

Title: Innovations and Patents of Shinji Yamakawa

Introduction: Shinji Yamakawa is a prominent inventor based in Kanagawa, Japan, renowned for his significant contributions to the field of polymer science. With an impressive portfolio of 26 patents, Yamakawa has spearheaded innovative developments that enhance the quality and performance of various rubber and plastic materials.

Latest Patents: Among his latest patents, Yamakawa has introduced groundbreaking advancements in polybutadiene production. His novel polybutadiene boasts high isotacticity, achieving a triad isotacticity (mm) of 72% or more. Additionally, he developed a polymerization catalyst composition that exhibits high polymerization activity. This includes methodologies for producing polymers and rubber compositions, which are integral to tire manufacturing. His patented catalysts incorporate unique structural formulas, utilizing transition metals or lanthanoids to enhance polymer production processes significantly.

Career Highlights: Yamakawa's career includes pivotal roles at notable companies such as Ricoh Company, Ltd. and Bridgestone Corporation. His work at these prestigious organizations allowed him to further his innovative endeavors in material science and polymer applications, making substantial contributions to the industry.

Collaborations: Throughout his career, Yamakawa has worked alongside esteemed colleagues, including Midori Aida and Takashi Saitoh. Their collaboration has fostered an environment of innovation and has propelled their joint research efforts to new heights.

Conclusion: Shinji Yamakawa exemplifies the spirit of innovation through his extensive patent portfolio and impactful career. His latest inventions in polybutadiene and polymer manufacturing reflect his commitment to advancing material science, particularly in applications crucial to the automotive industry. Yamakawa's work continues to inspire future generations of inventors and researchers in the field.

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1 patent (EPO):

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Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.