IDiyas

For the Inventor, By the Inventor

Osaka, Japan

Yojiro Kumagae

USPTO Granted Patents = 16

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:

goldMedal12 out of 72 
 
Yamamoto Chemicals, Inc.
 patents
silverMedal4 out of 1,786 
 
Mitsui Chemicals, Inc.
 patents
bronzeMedal1 out of 1,524 
 
Ciba Specialty Chemicals Corporation
 patents
4. 1 out of 7 
 
Yamamoto Kagaku Gosei Co., Ltd.
 patents
5. 1 out of 11,665 
 
Fuji Xerox Co., Ltd.
 patents
6. 1 out of 832,680 
Other
 patents
where one patent can have more than one assignee

Years Active: 1985-2021

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16 patents (USPTO):Explore 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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