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For the Inventor, By the Inventor

Yamaguchi, Japan

Masayasu Ishibashi

USPTO Granted Patents = 16


Average Co-Inventor Count = 3.6

ph-index = 4

Forward Citations = 40(Granted Patents)


Location History:

  • Kuga, JP (1990)
  • Waki-cho, JP (1998)
  • Kuga-gun, JP (1999)
  • Kuma-Gun, JP (2003)
  • Iwakuni, JP (2013)
  • Ichihara, JP (2013)
  • Yamaguchi, JP (1990 - 2017)
  • Takaishi, JP (2017)

Company Filing History:

goldMedal9 out of 1,786 
 
Mitsui Chemicals, Inc.
 patents
silverMedal7 out of 1,008 
 
Mitsui Petrochemical Industries, Ltd.
 patents

Years Active: 1990-2017

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16 patents (USPTO):Explore Patents
1. 9682896 - Production method for olefin, and dehydration catalyst employed in same (2017-06-20),
2. 9567266 - Olefin production method (2017-02-14),
3. 8552239 - Olefin production process (2013-10-08),
4. 8546633 - Method for producing alkylated aromatic compound, method for producing cumene, and method for producing phenol (2013-10-01),
5. 8536394 - Process for producing alkylated aromatic compounds and process for producing phenols (2013-09-17),
6. 6506931 - Process for producing aromatic carboxylic acid (2003-01-14),
7. 6028193 - Method for producing aryl aklyl hydroperoxides (2000-02-22),
8. 5945572 - Method for producing aryl alkyl hydroperoxides (1999-08-31),
9. 5872284 - Method for purifying crude naphthalenedicarboxylic acid (1999-02-16),
10. 5847227 - Method for producing aryl alkyl hydroperoxides (1998-12-08),
11. 5811513 - Process for producing polyethylene naphthalate (1998-09-22),
12. 5639719 - Lubricating oil containing aromatic ether compounds (1997-06-17),
13. 5254766 - Process for producing alkyl-substituted aromatic hydrocarbon using (1993-10-19),
14. 5003113 - Process of producing isopropylnaphthols (1991-03-26),
15. 4891465 - Process for producting alkyl group-substituted aromatic hydrocarbons (1990-01-02),

Title: Innovations of Masayasu Ishibashi in Olefin Production

Introduction

Masayasu Ishibashi is a prominent inventor known for his significant contributions to the field of chemical engineering, particularly in the production of olefins. He is based in Yamaguchi, Japan, and holds a total of 16 patents that showcase his innovative approaches to chemical processes.

Latest Patents

Ishibashi's latest patents include a production method for olefins and a dehydration catalyst employed in the same. The objective of his invention is to provide a method for producing olefins, such as propylene, with high activity and selectivity, even at high liquid hourly space velocity (LHSV) ranges. This method utilizes an intramolecular dehydration reaction of alcohols, specifically isopropyl alcohol, using a chemically treated silica gel as a catalyst. His olefin production methods are designed to enhance efficiency and minimize side reactions, thereby streamlining the production process.

Career Highlights

Throughout his career, Ishibashi has worked with notable companies, including Mitsui Chemicals, Inc. and Mitsui Petrochemical Industries, Ltd. His work has significantly impacted the chemical industry, particularly in the development of efficient production methods for olefins.

Collaborations

Ishibashi has collaborated with esteemed colleagues, including Terunori Fujita and Hiroshi Iwasaki, contributing to advancements in chemical engineering and olefin production.

Conclusion

Masayasu Ishibashi's innovative work in olefin production has established him as a key figure in the field of chemical engineering. His patents reflect a commitment to enhancing production efficiency and selectivity, making significant strides in the industry.

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