EPO Patents = 2

Forward Citations = 0

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4 inventors (with patents filed for the assignee):

Bunta Watanabe (3 out of 3 patents)

Ryuzo Yoshioka (3 out of 15 patents)

Hideaki Ishida (3 out of 3 patents)

4. Jun Hiratake (1 out of 2 patents)

3 patents: Sort by Forward Citations

1. 12312371 - Optically-active 2-amino-phosphonoalkane acid, optically-active 2-amino-phosphonoalkane acid salt, and hydrates of these (2025-05-27),

2. 11220521 - Optically-active 2-amino-phosphonoalkane acid, optically-active 2-amino-phosphonoalkane acid salt, and hydrates of these (2022-01-11),

3. 10774098 - Nahlsgen optical resolution method (2020-09-15),

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

3 Patents

#243 in Kyoto 615-0031

#8,922 in Japan

Kyoto, Japan

Nahls Corporation Co., Ltd.

Forward Citations = 0

4 inventors:

Bunta Watanabe (3 out of 3 patents)

Ryuzo Yoshioka (3 out of 15 patents)

Hideaki Ishida (3 out of 3 patents)

4. Jun Hiratake (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nahls Corporation Co., Ltd.. Retrieved from https://idiyas.com/company/nahls-company

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 (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]