Satoru Fujitsu

This inventor holds 17 USPTO granted patents and 1 published patent application and 5 EPO patents. Top assignee: Ube Industries, Inc.. Active years: 1977-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Satoru Fujitsu. Retrieved from https://idiyas.com/inventor/satoru-fujitsu

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

USPTO Granted Patents = 17 (Patent Applications = 1)

% Patents Active = 76.5

EPO Patents = 5 (Patent Applications = 5)

Average Co-Inventor Count = 5.4

ph-index = 4

Forward Citations = 56(Granted Patents)

Location History:

Yamaguchi, JA (1977)
Yamaguchi, JP (1997 - 2013)
Ube, JP (1993 - 2015)

Company Filing History:

17 out of 1,432

Ube Industries, Inc.

patents

Years Active: 1977-2015

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17 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9051234 - Method for producing alkanediol (2015-06-09),

2. 8940946 - Method for producing high-purity 1,5-pentanediol (2015-01-27),

3. 8618335 - Process for preparing aromatic aldehyde compound (2013-12-31),

4. 8450508 - Method of retaining the quality of 2-methyl-3-(3,4-methylenedioxyphenyl)propanal and process for producing the same (2013-05-28),

5. 8344166 - Method of retaining the quality of 2-methyl-3-(3,4-methylenedioxyphenyl) propanal and process for producing the same (2013-01-01),

6. 8338589 - Process for producing laurolactam (2012-12-25),

7. 8168809 - 2-methyl-3-(3,4-methylenedioxyphenyl)propanal, and method for production thereof (2012-05-01),

8. 8039649 - Method of retaining the quality of 2-methyl-3-(3,4-methylenedioxyphenyl)propanal and process for producing the same (2011-10-18),

9. 6018072 - Process for producing a diaryl oxalate (2000-01-25),

10. 5892091 - Catalyst for decarbonylation reaction (1999-04-06),

11. 5811573 - Process for producing a diaryl carnonate (1998-09-22),

12. 5731453 - Process for producing a diaryl carbonate (1998-03-24),

13. 5705677 - Diphenyl oxalate-phenol adduct, process for producing the adduct and (1998-01-06),

14. 5648510 - Process for preparation of diaryl carbonate (1997-07-15),

15. 5292916 - Method of producing carbonic acid diester (1994-03-08),

Title: Satoru Fujitsu: Innovator in Alkanediol Production

Introduction

Satoru Fujitsu is a prominent inventor based in Ube, Japan. He has made significant contributions to the field of chemical engineering, particularly in the production of alkanediols. With a total of 17 patents to his name, Fujitsu's work has advanced the methods of producing high-purity chemical compounds.

Latest Patents

Fujitsu's latest patents include a method for producing alkanediol, specifically 1,5-pentanediol. This innovative method involves reacting a cyclic ether group-containing methanol, such as tetrahydrofurfuryl alcohol, using a non-chromium catalyst. The process ensures high reaction selectivity, which is crucial for efficient production. Another notable patent focuses on producing high-purity 1,5-pentanediol by hydrogenolysis of tetrahydrofurfuryl alcohol. This method includes several steps, such as obtaining a crude reaction product and separating the desired compounds to achieve high purity.

Career Highlights

Fujitsu is currently employed at Ube Industries, Inc., where he continues to develop and refine his innovative methods. His work has not only contributed to the company's success but has also positioned him as a leader in the field of chemical production.

Collaborations

Fujitsu has collaborated with notable coworkers, including Takashi Doi and Keigo Nishihira. These partnerships have fostered a creative environment that encourages innovation and the development of new technologies.

Conclusion

Satoru Fujitsu's contributions to the field of alkanediol production exemplify the impact of innovative thinking in chemical engineering. His patents and ongoing work at Ube Industries, Inc. continue to shape the industry and inspire future advancements.

Profile summary based on public USPTO records.