IDiyas

For the Inventor, By the Inventor

Iwakuni, Japan

Isao Hashimoto

USPTO Granted Patents = 17

Average Co-Inventor Count = 3.6

ph-index = 5

Forward Citations = 59(Granted Patents)


Location History:

  • Waki, JP (1978 - 1980)
  • Iwakuni, JP (1980 - 1993)
  • Yamaguchi, JP (1990 - 1995)
  • Kuga, JP (1996)

Company Filing History:

goldMedal17 out of 1,008 
 
Mitsui Petrochemical Industries, Ltd.
 patents
silverMedal2 out of 215 
 
Kumiai Chemical Industry Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1978-1996

Loading Chart...
17 patents (USPTO):Explore Patents
1. 5510511 - Process for preparing N,O-dialkylhydroxylamine, its salts or (1996-04-23),
2. 5475157 - Process for producing aromatic hydroxylic compound (1995-12-12),
3. 5189183 - Aromatic amine derivatives (1993-02-23),
4. 5112385 - Substituted pyridyloxyureas and use thereof as herbicides (1992-05-12),
5. 5011950 - Aromatic amine derivatives (1991-04-30),
6. 4968341 - Substituted aryloxyureas, processes for production thereof and uses (1990-11-06),
7. 4966968 - Indan derivatives (1990-10-30),
8. 4838924 - Aromatic urea derivatives and their use as herbicide (1989-06-13),
9. 4808726 - Process for preparation of guanidine derivative (1989-02-28),
10. 4323505 - Polyalkylhydroxychromene and process for preparing the same (1982-04-06),
11. 4273623 - Process for recovery of resorcin (1981-06-16),
12. 4267387 - Process for preparation of aromatic hydroperoxides (1981-05-12),
13. 4239921 - Process for purification of crude resorcinol (1980-12-16),
14. 4237319 - Process for liquid-phase oxidation of m-diisopropylbenzene (1980-12-02),
15. 4229597 - Process for the preparation of resorcin (1980-10-21),

Title: Isao Hashimoto: Innovator in Chemical Processes

Introduction

Isao Hashimoto is a prominent inventor based in Iwakuni, Japan. He has made significant contributions to the field of chemistry, particularly in the development of processes related to hydroxylamines and hydroxycarbamic acid esters. With a total of 17 patents to his name, Hashimoto's work has had a lasting impact on chemical manufacturing and applications.

Latest Patents

Hashimoto's latest patents include a variety of innovative processes. One such patent is for the preparation of N,O-dialkylhydroxylamine and its salts. Another notable patent involves a process for preparing N,O-dialkylhydroxycarbamic acid ester by reacting hydroxylamine or its salt with dihydrocarbyl carbonate in the presence of a basic compound. Additionally, he has developed methods for recovering N,O-dialkylhydroxycarbamic acid ester through azeotropic distillation with water. His work also includes processes for hydrolyzing N,O-dialkylhydroxycarbamic acid ester and purifying N,O-dialkylhydroxylamine hydrochloride. Furthermore, he has patented a method for separating N,O-dialkylhydroxylamine hydrochloride using benzene or alkylated benzene.

Career Highlights

Throughout his career, Isao Hashimoto has worked with notable companies such as Mitsui Petrochemical Industries, Ltd. and Kumiai Chemical Industry Co., Ltd. His expertise in chemical processes has been instrumental in advancing the capabilities of these organizations.

Collaborations

Hashimoto has collaborated with esteemed colleagues, including Katsuya Takahashi and Hirohiko Nambu. These partnerships have fostered innovation and contributed to the success of various projects in the chemical industry.

Conclusion

Isao Hashimoto's contributions to the field of chemistry through his numerous patents and collaborations highlight his role as a key innovator. His work continues to influence the development of chemical processes and applications.

This text is generated by artificial intelligence and may not be accurate.
Please report any incorrect information to support@idiyas.com
Loading…