Akio Hayashi

This inventor holds 50 USPTO granted patents and 8 published patent applications, plus 5 CIPO patents and 9 EPO patents, primarily in Radioactive Imaging. Top assignees: Nihon Medi-Physics Company, Limited, Hitachi, Ltd., Asaca Corporation. Active years: 1986-2026.

USPTO Granted Patents = 50 (Patent Applications = 8)

% Patents Active = 90.0

CIPO Patents = 5 (Patent Applications = 2)

EPO Patents = 9 (Patent Applications = 5)

Average Co-Inventor Count = 3.8

ph-index = 11

Forward Citations = 392(Granted Patents)

Location History:

Narashino, JP (1988)
Funabashi, JP (1996)
Kanagawa-ken, JP (1999)
Kanagawa pref., JP (2000)
Tsukui-machi, JP (2000)
Yokohama, JP (1986 - 2001)
Kashiwa, JP (1998 - 2003)
Kanagawa, JP (2001 - 2003)
Sodegaura, JP (2006 - 2014)
Chiba, JP (2006 - 2021)
Tokyo, JP (1993 - 2024)

Company Filing History:

16 out of 142

Nihon Medi-Physics Company, Limited

Nippon Unicar Company Limited

Union Carbide Corporation

patents

8. 1 out of 191

Ge Healthcare Limited

Kinzolu Kako Gijutsu Kenkyusho Co., Ltd.

Mitsubishi Chemical Corporation

14. 6 out of 834,411

Other

patents

where one patent can have more than one assignee

Years Active: 1986-2026

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Areas of Expertise:

Ophthalmologic Apparatus

Catalyst Preparation

Radioisotope-Labeled Antibody

Diagnostic Imaging Agent

Fluorine-Labeled Compounds

Wound-Healing Preparation

Hydroxyapatite Composite

Video Data Processing

Drug for Proliferative Diseases

Polysaccharide Production

Flame Retardant Composition

Automatic Disc Changer

50 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12690766 - Ophthalmologic apparatus (2026-07-28),

2. 12690765 - Ophthalmologic apparatus (2026-07-28),

3. 12458228 - Ophthalmologic apparatus for determining whether accommodation intervention by subject eye has occurred (2025-11-04),

4. 12102981 - Catalyst, method for preparing catalyst, and method for producing unsaturated carboxylic acid and/or unsaturated carboxylic acid ester (2024-10-01),

5. 12037417 - Site-specific radioisotope-labeled antibody using IgG-binding peptide (2024-07-16),

6. 11083804 - Precursor compound of radioactive halogen-labeled organic compound (2021-08-10),

7. 10953112 - Precursor compound of radioactive halogen-labeled organic compound (2021-03-23),

8. 10010632 - Precursor compound of radioactive halogen-labeled organic compound (2018-07-03),

9. 9387266 - Precursor compound of radioactive halogen-labeled organic compound (2016-07-12),

10. 9381259 - Precursor compound of radioactive halogen-labeled organic compound (2016-07-05),

11. 8790620 - Radioactive diagnostic imaging agent (2014-07-29),

12. 8758724 - Unnatural amino acid radiolabeling precursor (2014-06-24),

13. 8658132 - Method for production of radiation diagnostic imaging agent (2014-02-25),

14. 8563771 - Process for production of precursor compound for radioactive halogen-labeled organic compound (2013-10-22),

15. 8343459 - Method for production of radiation diagnostic imaging agent (2013-01-01),

Title: Akio Hayashi: Innovator and Patent Holder in Tokyo

Introduction

Akio Hayashi, a prominent inventor based in Tokyo, Japan, holds an impressive portfolio of 31 patents. His innovative contributions mainly focus on catalysts and their applications, showcasing his dedication to advancing technology in chemical processes.

Latest Patents

Among his latest patents, Hayashi has developed a catalyst alongside methods for preparing this catalyst. Another notable invention is a method for producing unsaturated carboxylic acids and/or their esters. One of his significant inventions features a catalyst comprising a site-specific radioisotope-labeled antibody using an IgG-binding peptide. This particular invention includes a ligand capable of binding to a radioactive metal nuclide and presents a radionuclide imaging agent or diagnostic agent for cancer.

Career Highlights

Throughout his career, Hayashi has contributed to various projects and advancements while working at Hitachi, Ltd. His role within such a prestigious company reflects his expertise and influence in the field of innovation.

Collaborations

Akio Hayashi has had the opportunity to work alongside notable colleagues, including Kazushige Hiroi and Mitsuru Akashi. Their collaborations have likely further enhanced the research and development processes within their projects.

Conclusion

Akio Hayashi's dedication to innovation in catalysts and medical imaging demonstrates his significant impact on the industry. With a total of 31 patents to his name, he remains a key figure in advancing technologies that address complex challenges in the fields of chemistry and healthcare.