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For the Inventor, By the Inventor

Funabashi, Japan

Norio Tanaka

USPTO Granted Patents = 22

Average Co-Inventor Count = 4.9

ph-index = 8

Forward Citations = 142(Granted Patents)


Location History:

  • Chiba-ken, JP (1998)
  • Funabashi, JP (1985 - 2012)

Company Filing History:

goldMedal22 out of 1,235 
 
Nissan Chemical Industries Limited
 patents

Years Active: 1985-2012

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22 patents (USPTO):Explore Patents
1. 8324420 - Process for producing acrylonitrile compound (2012-12-04),
2. 8138368 - Process for producing acrylonitrile compound (2012-03-20),
3. 7649104 - Process for producing acrylonitrile compound (2010-01-19),
4. 6331628 - Process for the preparation of benzonitrile compounds (2001-12-18),
5. 6307046 - Method for modifying melamine derivatives (2001-10-23),
6. 6130332 - Method of alkylating triazine derivatives (2000-10-10),
7. 6127538 - Method for modifying 1,3,5-triazine derivatives (2000-10-03),
8. 5900483 - Process for the separation of phenyluracil compounds (1999-05-04),
9. 5792867 - Method of alkylating of triazine derivatives (1998-08-11),
10. 5283341 - N-alkylation of heterocyclic, aromatic amines (1994-02-01),
11. 5175299 - Benzoic acid derivatives useful as intermediates for the preparation of (1992-12-29),
12. 5155258 - Substituted benzoic acids (1992-10-13),
13. 5094685 - Substituted benzoyl derivatives and selective herbicides (1992-03-10),
14. 5087724 - Substituted benzenes useful as intermediates (1992-02-11),
15. 4954165 - Substituted benzoyl derivatives and selective herbicides (1990-09-04),

Title: Norio Tanaka: Innovating Chemical Processes in Funabashi

Introduction

Norio Tanaka, a distinguished inventor based in Funabashi, Japan, has made significant strides in the field of chemical engineering. With a remarkable portfolio of 22 patents, he has contributed to advancements that enhance the efficiency and selectivity of chemical processes. His work is particularly focused on the production of acrylonitrile compounds, which are vital in various industrial applications.

Latest Patents

Tanaka's latest patents reflect his expertise in producing acrylonitrile compounds through innovative techniques. One notable patent describes a process for stereoselectively producing either the E-form or Z-form of 3-acyloxyacrylonitrile compounds. This is achieved by reacting a 3-oxopropionitrile compound with an acid chloride, while effectively removing hydrogen chloride or utilizing organic or inorganic bases to control the product's stereostructure. Another patent outlines the production of the compound via a reaction between an acetonitrile compound and an aromatic ester compound, utilizing alkali metal alkoxide in a hydrocarbon solvent and employing azeotropic distillation to remove by-products. Furthermore, he has developed methods for isomerizing the E-form of 3-acyloxyacrylonitrile to its Z-form using organic bases, showcasing his innovative approach to chemical synthesis.

Career Highlights

Currently employed at Nissan Chemical Industries Limited, Tanaka has carved out a niche for himself in the realm of chemical innovations. His patents demonstrate a commitment to enhancing production efficiency and reducing costs, thereby positively impacting the industry.

Collaborations

Throughout his career, Tanaka has collaborated with esteemed colleagues, including Masatoshi Baba and Tsutomu Nawamaki. Their collective expertise has further propelled advancements in the chemical field, underscoring the importance of collaboration in fostering innovation.

Conclusion

Norio Tanaka’s contributions to the field of chemical engineering exemplify the spirit of innovation and the importance of patents in protecting and promoting new inventions. As he continues to develop groundbreaking processes, his work holds promise for the future of chemical production and its applications in various industries.

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