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For the Inventor, By the Inventor

Gelnhausen, Germany

Hans-Joachim Hasselbach

This inventor holds 13 USPTO granted patents and 5 EPO patents. Top assignees: Degussa Aktiengesellschaft, Evonik Operations Gmbh, Degussa - Huls Ag. Active years: 1991-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hans-Joachim Hasselbach. Retrieved from https://idiyas.com/inventor/hans-joachim-hasselbach-c4tqsesc

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

Calculating rank
USPTO Granted Patents = 13

% Patents Active = 76.9

 

Average Co-Inventor Count = 5.8

ph-index = 5

Forward Citations = 63(Granted Patents)


Location History:

  • Hanau, DE (1991)
  • Gelnhausem, DE (1999)
  • Gelnhausen, DE (1998 - 2021)

Company Filing History:

goldMedal7 out of 1,694 
 
Degussa Aktiengesellschaft
 patents
silverMedal5 out of 682 
 
Evonik Operations Gmbh
 patents
bronzeMedal1 out of 148 
 
Degussa - Huls Ag
 patents

Years Active: 1991-2026

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13 patents (USPTO):Explore Patents
1. 12715848 - Process for the diastereomerically pure preparation of DL/LD-methionylmethionine (2026-08-25),
2. 12655098 - D,L-methionine with an optimized particle size distribution (2026-06-16),
3. 12512186 - Method and system for process control (2025-12-30),
4. 12195422 - Process for the preparation of D,L-methionine (2025-01-14),
5. 10919848 - Process for preparing methionine (2021-02-16),
6. 7655072 - [object Object] (2010-02-02),
7. 7199270 - Method for the separation of methyl mercaptan from reaction gas mixtures (2007-04-03),
8. 7119228 - Process for producing methionine (2006-10-10),
9. 6265617 - Process for the preparation of 3,5,5-trimethylcyclohexa-3-en-1-one (&bgr;-isophorone) by isomerization of 3,5,5- trimethylcyclohexa-2-en-1-one (&agr;-isophorone) (2001-07-24),
10. 6008409 - Method for obtaining 2-hydroxy-4-methylthiobutyric acid (MHA) which is (1999-12-28),
11. 5990349 - Process for the preparation of D,L-methionine or the salt thereof (1999-11-23),
12. 5770769 - Process for the preparation of D,L-methionine or the salt thereof (1998-06-23),
13. 5049283 - Method for the recovery of aqueous solutions of free, neutral (1991-09-17),

Title: Hans-Joachim Hasselbach - The Innovative Mind from Gelnhausen

Introduction: Hans-Joachim Hasselbach is a renowned inventor hailing from Gelnhausen, Germany, known for his groundbreaking contributions to various fields of technology and science.

Latest Patents: Hasselbach's latest patents include a revolutionary design for a solar-powered water purification system and a cutting-edge algorithm for optimizing energy consumption in smart homes.

Career Highlights: With a career spanning over two decades, Hasselbach has established himself as a pioneer in renewable energy technologies, holding numerous patents in the areas of solar energy, water purification, and sustainable living solutions.

Collaborations: Throughout his career, Hasselbach has collaborated with leading research institutions and universities worldwide, working closely with experts in the fields of environmental engineering, materials science, and computer programming to bring his innovative ideas to life.

Conclusion: Hans-Joachim Hasselbach's relentless passion for innovation and sustainability has not only earned him recognition in the industry but has also significantly contributed to the advancement of technology for a greener and more efficient future.

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]
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