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Yojiro Kumagae

USPTO Granted Patents = 16 (Patent Applications = 1)

Average Co-Inventor Count = 4.6

ph-index = 3

Forward Citations = 59(Granted Patents)

Location History:

Osaka, JP (1985 - 2002)
Kawachinagano, JP (1998 - 2002)
Yao, JP (2004 - 2021)

Company Filing History:

Yamamoto Chemicals, Inc.

Mitsui Chemicals, Inc.

Ciba Specialty Chemicals Corporation

Yamamoto Kagaku Gosei Co., Ltd.

5. 1 out of 11,665

Fuji Xerox Co., Ltd.

6. 1 out of 832,843

Other

patents

where one patent can have more than one assignee

Years Active: 1985-2021

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16 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11015061 - Phthalocyanine-based compound and uses of same (2021-05-25),

2. 7332261 - Phthalocyanine compound, process for preparing the same, and optical recording medium containing the same (2008-02-19),

3. 6821696 - Toner for optical fixing, manufacturing method therefor and image formation apparatus using it (2004-11-23),

4. 6468713 - Phthalocyanine compounds, process for producing the same, and near infrared absorbent comprising the same (2002-10-22),

5. 6355327 - Optical recording medium and dipyrromethene metal chelate compound for use therein (2002-03-12),

6. 6162520 - Optical recording medium and dipyrromethene metal chelate compound for (2000-12-19),

7. 6093832 - Diiminoisoindoline compound and the process for producing the compound (2000-07-25),

8. 6066729 - Photothermal conversion material (2000-05-23),

9. 5973140 - Phthalocyanine compound, its intermediate, process for producing the (1999-10-26),

10. 5804102 - Plasma display filter (1998-09-08),

11. 5627287 - Phthalide compound and a near infrared absorber and a recording material (1997-05-06),

12. 5438032 - Crystal modifications of (1995-08-01),

13. 5376617 - Crystal modification of (1994-12-27),

14. 5342967 - Crystal modifications of (1994-08-30),

15. 5338866 - Crystal modification of (1994-08-16),

Title: The Innovative Mind of Yojiro Kumagae

Introduction: Yojiro Kumagae, a pioneering inventor hailing from Osaka, Japan, is renowned for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Yojiro Kumagae holds several recent patents in the areas of robotics, artificial intelligence, and sustainable energy solutions, showcasing his commitment to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Yojiro Kumagae has worked with leading tech companies in Japan, spearheading research and development projects that have led to the creation of cutting-edge products and solutions.

Collaborations: Throughout his career, Yojiro Kumagae has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge sharing in the tech industry.

Conclusion: Yojiro Kumagae's relentless pursuit of innovation and his passion for creating technology that makes a difference have solidified his reputation as a visionary inventor in the global tech community.

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