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For the Inventor, By the Inventor

Numazu, Japan

Tadashi Ashizawa

This inventor holds 32 USPTO granted patents, primarily in Antitumor Compounds. Top assignees: Kyowa Hakko Kogyo Co., Ltd., Kyowa Hakko Kogyo Kabushiki Kaisha, Kyowa Hakko Kogyo K.k.. Active years: 1986-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadashi Ashizawa. Retrieved from https://idiyas.com/inventor/tadashi-ashizawa

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 32

% Patents Active = 100.0

Average Co-Inventor Count = 6.2

ph-index = 5

Forward Citations = 163(Granted Patents)


Location History:

  • Numazu, JP (1986 - 1999)
  • Shizuoka, JP (1986 - 2002)

Company Filing History:

goldMedal23 out of 730 
 
Kyowa Hakko Kogyo Co., Ltd.
 patents
silverMedal6 out of 45 
 
Kyowa Hakko Kogyo Kabushiki Kaisha
 patents
bronzeMedal1 out of 2 
 
Kyowa Hakko Kogyo K.k.
 patents
4. 1 out of 1 
 
Kyowa Hakko Kogyo Kabushiki
 patent
5. 1 out of 834,513 
Other
 patents

Years Active: 1986-2002

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Areas of Expertise:
2-Piperidone Compounds
DC107 Derivatives
Mitomycin Derivatives
Antitumor Agents
Phenazine Carboxylic Acids
Propenone Derivatives
DC-52 Derivatives
UCH15 Compounds
Pyrazoloacridone Derivatives
Antibiotic Compounds
DC-89 Compounds
6-Ethyl Mitomycin Derivatives
32 patents (USPTO):Explore Patents
1. 6492392 - 2-piperidone compounds (2002-12-10),
2. 6080771 - DC107 derivatives (2000-06-27),
3. 5981558 - DC107 derivatives (1999-11-09),
4. 5972997 - UCT1072 compounds (1999-10-26),
5. 5952355 - Propenone derivatives (1999-09-14),
6. 5733924 - DC 107 derivatives and treatment methods (1998-03-31),
7. 5717110 - UCH15 compounds (1998-02-10),
8. 5656736 - Compound UCH9 (1997-08-12),
9. 5334611 - 6-ethyl mitomycin derivatives (1994-08-02),
10. 5256685 - Mitomycin derivatives (1993-10-26),
11. 5220026 - Pyrazoloacridone derivatives (1993-06-15),
12. 5218126 - Halogen substituted mitomycin derivatives (1993-06-08),
13. 5180825 - Mitomycin derivatives (1993-01-19),
14. 5138059 - DC-89 compounds and process for their preparation (1992-08-11),
15. 5071984 - DC-52 derivatives (1991-12-10),

Title: Tadashi Ashizawa: Pioneering Innovator in Pharmaceutical Technology

Introduction:

Tadashi Ashizawa, a visionary inventor hailing from Numazu, Japan, is renowned for his unwavering commitment to innovation and excellence. His groundbreaking work in the field of pharmaceutical technology continues to inspire and shape the future of inventors and entrepreneurs worldwide.

Latest Patents:

Ashizawa's prolific career spans an impressive 32 patents, with his latest inventions focusing on 2-piperidone compounds - DC107 derivatives. These novel compounds, represented by formula (I), exhibit remarkable antimicrobial and antitumor activities, showcasing Ashizawa's cutting-edge contributions to the pharmaceutical industry.

Career Highlights:

Having made significant strides in his field, Ashizawa has left an indelible mark through his tenure at Kyowa Hakko Kogyo Co., Ltd. and Kyowa Hakko Kogyo Kabushiki Kaisha. His innovative spirit and dedication to research have led to the development of groundbreaking pharmaceutical solutions that have the potential to revolutionize healthcare.

Collaborations:

Throughout his illustrious career, Ashizawa has collaborated with esteemed colleagues such as Makoto Morimoto and Masaji Kasai. Together, they have worked tirelessly to push the boundaries of pharmaceutical technology, paving the way for new discoveries and advancements in the field.

Conclusion:

In conclusion, Tadashi Ashizawa stands as a trailblazing figure in the world of innovation, with his forward-thinking approach and groundbreaking inventions shaping the future of pharmaceutical technology. His legacy as a prolific inventor and visionary leader is sure to endure for generations to come, inspiring countless inventors and entrepreneurs to follow in his footsteps.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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