Yasuhiro Ishikawa

This inventor holds 50 USPTO granted patents and 1 published patent application and 17 EPO patents, primarily in Polycarbonate Resin. Top assignees: Idemitsu Kosan Company, Limited, Idemitsu Petrochemical Co., Ltd., Idemitsu Kosan., Ltd.. Active years: 1999-2026.

USPTO Granted Patents = 50 (Patent Applications = 1)

% Patents Active = 78.0

EPO Patents = 17 (Patent Applications = 13)

Average Co-Inventor Count = 2.2

ph-index = 5

Forward Citations = 92(Granted Patents)

Location History:

Sodegaura, JP (1999)
Chiba, JP (2006 - 2016)
Ichihara, JP (2001 - 2024)

Company Filing History:

46 out of 2,283

Idemitsu Kosan Company, Limited

patents

3 out of 555

Idemitsu Petrochemical Co., Ltd.

patents

1 out of 79

Idemitsu Kosan., Ltd.

patents

Years Active: 1999-2026

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Areas of Expertise:

Polycarbonate Resin

Polycarbonate Copolymer

Flame-Retardant Composition

Molded Product

Polyorganosiloxane

Light Diffusing Plate

Optical Molded Body

Continuous Production Method

Molded Article

Production Method

50 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12674033 - Polycarbonate-polyorganosiloxane copolymer (2026-07-07),

2. 12528915 - Polycarbonate resin composition (2026-01-20),

3. 12428557 - Molded body including polycarbonate-based resin composition (2025-09-30),

4. 11945908 - Polycarbonate-polyorganosiloxane copolymer (2024-04-02),

5. 11851560 - Polycarbonate resin composition and molded product thereof (2023-12-26),

6. 11697708 - Polycarbonate-polyorganosiloxane copolymer, polycarbonate resin composition including same, and molded product thereof (2023-07-11),

7. 11655326 - Molded body containing polycarbonate-polyorganosiloxane copolymer (2023-05-23),

8. 11352478 - Flame-retardant polycarbonate-based resin composition and molded product thereof (2022-06-07),

9. 11312860 - Polycarbonate-based resin composition and molded article thereof (2022-04-26),

10. 11203664 - Polycarbonate resin composition and molded article thereof (2021-12-21),

11. 11186714 - Polycarbonate resin composition and molded product thereof (2021-11-30),

12. 11155712 - Polycarbonate-polyorganosiloxane copolymer, flame-retardant polycarbonate resin composition including same, and molded product thereof (2021-10-26),

13. 11111386 - Polycarbonate-polyorganosiloxane copolymer, polycarbonate resin composition including same, and molded product thereof (2021-09-07),

14. 11072703 - Polycarbonate-based resin composition and molded product thereof (2021-07-27),

15. 11066556 - Polycarbonate resin composition (2021-07-20),

Title: Yasuhiro Ishikawa: Pioneering Inventor from Ichihara

Introduction: Yasuhiro Ishikawa is a renowned inventor hailing from Ichihara, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Ishikawa holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous dedication to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Ishikawa has worked with leading tech companies and research institutions, spearheading projects that have revolutionized various industries.

Collaborations: Throughout his career, Ishikawa has collaborated with top engineers, scientists, and researchers globally, fostering a culture of innovation and knowledge exchange that has led to numerous successful projects.

Conclusion: Yasuhiro Ishikawa's relentless pursuit of innovation and his passion for creating solutions to complex technological challenges have solidified his position as a trailblazer in the world of inventors.