% Expired Patents = 57.1

CIPO Patents = 2

EPO Patents = 4

Forward Citations = 1

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37 inventors (with patents filed for the assignee):

Sivaramakrishnan Hariharan (3 out of 3 patents)

Nagarajan Kuppuswamy (3 out of 3 patents)

Arulselvan Mariadas (2 out of 2 patents)

4. Rahul Bhalerao (1 out of 1 patent)

5. R Sridharan (1 out of 1 patent)

6. Shivaji Sadashiv Kandre (1 out of 1 patent)

7. Ganesh Suryakant Deore (1 out of 1 patent)

8. Kishorkumar Shivajirao Kadam (1 out of 1 patent)

9. Dharnidhar Mundhe (1 out of 1 patent)

10. Swapnil Surendra Mohile (1 out of 1 patent)

11. Swapnil Gulabrao Yerande (1 out of 1 patent)

12. Sarika Madhukarrao Lunge (1 out of 1 patent)

13. Rameshkumar Maghabhai Patel (1 out of 1 patent)

14. Shivaji Balbhim Gugale (1 out of 1 patent)

15. Rajesh Mataprasad Thakur (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 11649204 - Process for the preparation of trifloxystrobin (2023-05-16),

2. 10544101 - Process for the preparation of butorphanol tartrate (2020-01-28),

3. 10023885 - Process for the preparation of pregabalin (2018-07-17),

4. 8350045 - Process for preparation of E-isomer of 1-(4-methylphenyl)-1-(2-pyridyl)-3-pyrrolidino prop-1-ene and acid addition salts thereof (2013-01-08),

5. 7635717 - Process for the preparation of amino methyl cyclo alkane acetic acids (2009-12-22),

6. 7632953 - Process for the preparation of gabalactam (2009-12-15),

7. 7632864 - Gabapentin analogues and process thereof (2009-12-15),

Company Overview

Hikal Limited is a leading global manufacturer of fine chemicals and pharmaceuticals, with a focus on research, development, and manufacturing. With over 30 years of industry experience, Hikal serves customers in various sectors including agrochemicals, pharmaceuticals, and pigments. The company has state-of-the-art facilities and a dedicated team of scientists and engineers to deliver high-quality products and solutions to its clients.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

7 Patents

#9 in Pune

#228 in India

Pune, India

Hikal Limited

Forward Citations = 1

37 inventors:

Sivaramakrishnan Hariharan (3 out of 3 patents)

Nagarajan Kuppuswamy (3 out of 3 patents)

Arulselvan Mariadas (2 out of 2 patents)

4. Rahul Bhalerao (1 out of 1 patent)

5. R Sridharan (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hikal Limited. Retrieved from https://idiyas.com/company/hikal

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

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]

2 patents (CIPO):

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]

4 patents (EPO):

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]