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For the Inventor, By the Inventor

Osaka, Japan

Tadashi Katsura

This inventor holds 25 USPTO granted patents and 4 EPO patents, primarily in Organic Synthesis. Top assignees: Sumitomo Chemical Company, Limited, Sumika Fine Chemicals, Co.,ltd.. Active years: 1985-2012.

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

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

USPTO Granted Patents = 25

% Patents Active = 72.0

 

Average Co-Inventor Count = 3.1

ph-index = 4

Forward Citations = 53(Granted Patents)


Location History:

  • Itami, JP (1985)
  • Suita, JP (1985 - 1986)
  • Hirakata, JP (1987)
  • Osaka, JP (1985 - 2006)
  • Toyonaka, JP (1997 - 2012)

Company Filing History:

goldMedal13 out of 6,964 
 
Sumitomo Chemical Company, Limited
 patents
silverMedal12 out of 55 
 
Sumika Fine Chemicals, Co.,ltd.
 patents

Years Active: 1985-2012

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Areas of Expertise:
Bicalutamide
Piperidine Derivative
Cyclopentenone
Crystallization
Optically Active
Synthesis
Dimethyl-2-Imidazolidinone
Carboxylic Acid
25 patents (USPTO):Explore Patents
1. 8288579 - Method for producing N-methacryloyl-4-cyano-3-trifluoromethylaniline (2012-10-16),
2. 7632971 - Method of crystallization of bicalutamide (2009-12-15),
3. 7132560 - Crystal of bicalutamide and production method thereof (2006-11-07),
4. 7132548 - Process for recovering 1,3-dimethyl-2-imidazolidinone (2006-11-07),
5. 7038075 - Production method of racemic 3-hydroxy-3-(2-phenylethyl)hexanoic acid C1-6 alkyl ester (2006-05-02),
6. 6815548 - Process for preparing a piperidine derivative (2004-11-09),
7. 6740770 - Crystal of bicalutamide and production method thereof (2004-05-25),
8. 6683207 - Production method of (R)-3 hydroxy-3-(2-phenylethyl) hexanoic acid and intermediate thereof (2004-01-27),
9. 6610851 - Process for preparing a piperidine derivative (2003-08-26),
10. 6476227 - Piperidine derivative and process for preparing the same (2002-11-05),
11. 6369266 - Process for producing tert-butyl 4′-methyl-2-biphenylcarboxlate (2002-04-09),
12. 6350880 - Crystalline or crystallized acid addition salt of losartan and purification method of losartan (2002-02-26),
13. 6333430 - Process for preparing tert-alkyl ester from carboxylic acid (2001-12-25),
14. 5998652 - Process for preparing 2-cyanobiphenyl compound (1999-12-07),
15. 5948914 - Piperidine derivative and process for preparing the same (1999-09-07),

Title: Tadashi Katsura: Pioneering Inventor from Osaka

Introduction: Tadashi Katsura is a renowned inventor hailing from Osaka, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Tadashi Katsura holds several patents in the areas of robotics, artificial intelligence, and renewable energy, showcasing his continuous commitment to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Katsura has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant technological breakthroughs.

Collaborations: Throughout his career, Tadashi Katsura has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge sharing.

Conclusion: Tadashi Katsura'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.

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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