Yoshin Tamai

This inventor holds 38 USPTO granted patents, primarily in Organic Synthesis. Top assignees: Kuraray Co., Ltd., Nissan Chemical Industries Limited. Active years: 1976-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshin Tamai. Retrieved from https://idiyas.com/inventor/yoshin-tamai

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

Calculating rank

USPTO Granted Patents = 38

% Patents Active = 86.8

Average Co-Inventor Count = 3.8

ph-index = 6

Forward Citations = 113(Granted Patents)

Location History:

Kurashiki, JA (1976 - 1977)
Kurashiki, JP (1981 - 1985)
Nakajyo, JP (1987)
Shibata, JP (1989 - 1997)
Niigata-Pref., JP (1999)
Kitakanbara-gun, JP (2000)
Kitakanbara, JP (1982 - 2002)
Niigata-ken, JP (1998 - 2002)
Niigata, JP (1996 - 2006)

Company Filing History:

Nissan Chemical Industries Limited

patents

where one patent can have more than one assignee

Years Active: 1976-2006

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Areas of Expertise:

Organic Synthesis

Cyclopentenecarboxamide

Polyprenols

Chromans

Quinoline Derivatives

Vitamin A Acid

Pesticidal Compositions

Fragrance Compositions

Optically Active Compounds

Amino Acids

Carboxylic Acid Esters

Antiulcer Agents

38 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7038059 - Process for preparation of 4-n-substituted amino-2-aza-1-oxabicyclo[3.3.0] oct-2-ene-6-carboxylic acid esters and process for preparation of their intermediates (2006-05-02),

2. 6897335 - Process for preparation of 2-oxocarboxylic acid esters (2005-05-24),

3. 6855824 - Processes for preparing quinoline derivatives and intermediates thereof (2005-02-15),

4. 6624331 - Process for the preparation of benzyloxyacetaldehyde (2003-09-23),

5. 6500978 - Process for producing cyclopropanecarbonitrile (2002-12-31),

6. 6482957 - Cyclopentenecarboxamide derivative, method for preparing the same and bicycloamide derivative used therein (2002-11-19),

7. 6452004 - Cyclopentenecarboxamide derivative, method for preparing the same bicycloamide derivative used therein (2002-09-17),

8. 6159928 - Cis-configurational unsaturated ester, process for producing the same, (2000-12-11),

9. 615992 - Cis-configurational unsaturated ester, process for producing the same, (2000-12-12),

10. 6133471 - Process for producing chromans (2000-10-17),

11. 6130341 - Process for producing chromans (2000-10-10),

12. 6127539 - Cyclopentenecarboxamide derivative, method for preparing the same and (2000-10-03),

13. 5981811 - Process for preparing polyprenols (1999-11-09),

14. 5817812 - Cyclopentenecarboxamide derivative, method for preparing the same and (1998-10-06),

15. 5714645 - Process for producing all trans-form polyprenols (1998-02-03),

Title: Yoshin Tamai: Pioneering Inventor from Niigata

Introduction: Yoshin Tamai is a renowned inventor hailing from Niigata, Japan, known for his groundbreaking contributions to the field of technology and innovation.

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

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

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

Conclusion: Yoshin Tamai's relentless pursuit of innovation and his passion for creating technology that makes a difference have solidified his position as a trailblazer in the world of inventors.

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]