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For the Inventor, By the Inventor

Tokyo, Japan

Kunio Hosaka

USPTO Granted Patents = 16

Average Co-Inventor Count = 4.4

ph-index = 4

Forward Citations = 41(Granted Patents)


Location History:

  • Tokyo, JP (1989 - 1993)
  • Ami, JP (1993)
  • Ibaraki, JP (1992 - 1996)
  • Ibaraki-ken, JP (1997)

Company Filing History:

goldMedal13 out of 60 
 
Tsumura Co., Ltd.
 patents
silverMedal3 out of 5 
 
Tsumura Juntendo, Inc.
 patents

Years Active: 1989-1997

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16 patents (USPTO):Explore Patents
1. 5675023 - Chromone derivative, and aldose reductase inhibitor comprising said (1997-10-07),
2. 5627204 - Chromone derivative, and aldose reductase inhibitor comprising said (1997-05-06),
3. 5521216 - Chromone derivative, and aldose reductase inhibitor comprising said (1996-05-28),
4. 5455267 - Chromone derivative, and aldose reductase inhibitor comprising said (1995-10-03),
5. 5264594 - Biphenyl derivative and preparation and use thereof (1993-11-23),
6. 5234951 - Anti-ulcer agent comprising chalcone derivative (1993-08-10),
7. 5227398 - Benzodioxole derivatives and hepatopathy improvers comprising the same (1993-07-13),
8. 5106871 - Anti-ulcer agent comprising chalcone derivative as effective ingredient (1992-04-21),
9. 5106859 - Certain 1,3,4-thiadiazole derivatives and anti-ulcer agent comprising (1992-04-21),
10. 5032685 - Biphenyl derivative and production and use thereof (1991-07-16),
11. 4996331 - Novel biphenyl derivative and preparation and use thereof (1991-02-26),
12. 4987240 - Novel biphenyl derivative and production and use thereof (1991-01-22),
13. 4962211 - Novel biphenyl derivative and production and use thereof (1990-10-09),
14. 4925872 - Biphenyl derivative useful as a liver ailment moderating agent (1990-05-15),
15. 4904694 - Biphenyl derivative useful in the treatment of liver diseases (1990-02-27),

Title: Kunio Hosaka: Innovator in Diabetes Treatment

Introduction

Kunio Hosaka is a prominent inventor based in Tokyo, Japan, recognized for his significant contributions to the field of medicinal chemistry. He holds an impressive portfolio of 16 patents, showcasing his dedication to innovation aimed at addressing critical health issues, particularly in diabetes care.

Latest Patents

Among his latest inventions are a chromone derivative and an aldose reductase inhibitor that utilizes this compound as an effective component. The unique structure of his inventions is represented by a specific formula where R₁ and R₂ each denote a lower alkyl group, R₃ represents either an oxygen or sulfur atom, R₇ can be a substituted or unsubstituted phenyl group, and R signifies either a hydrogen atom or a lower alkoxy group. These compounds exhibit remarkable inhibitory action on aldose reductase and have potential therapeutic applications for various complications related to diabetes, including cataracts, retinopathy, keratopathy, nephropathy, and neuropathy.

Career Highlights

Kunio Hosaka's career has been marked by influential positions at renowned companies, such as Tsumura & Co. and Tsumura Juntendo, Inc. His work in these organizations has not only contributed to their research programs but has also established him as a key figure in the innovation landscape of diabetes treatment.

Collaborations

Throughout his career, Hosaka has collaborated with notable colleagues, including Hiroshi Mitsuhashi and Shigefumi Takeda. These partnerships have played a vital role in advancing his research and patent portfolio, enhancing the impact of his inventions in the medical field.

Conclusion

Kunio Hosaka's contributions as an inventor are highly regarded in the medical and scientific communities. His patents have the potential to create significant advancements in treating diabetes-related complications, showcasing the vital role inventors play in improving health outcomes through innovative solutions.

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