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USPTO Data Jan 1 1976 - Oct 20 2026
98 Patents
#550 in Tokyo
#1,139 in Japan
#7,930 in the World
A&d Company, Limited
Forward Citations = 782
93 inventors:
A&d Company, Limited
% Expired Patents = 23.5
EPO Patents = 40
Trademarks = 20
Forward Citations = 782
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93 inventors (with patents filed for the assignee):
Naoto Izumo (25 out of 25 patents)
Hisanori Oda (16 out of 16 patents)
Yoshikazu Nagane (9 out of 9 patents)
4. Mitsuharu Sugita (7 out of 7 patents)
5. Yuji Fukami (5 out of 5 patents)
6. Mitsuo Ebisawa (4 out of 4 patents)
7. Masahiro Kanno (4 out of 4 patents)
8. Satoshi Suzaki (4 out of 4 patents)
9. Tatsuo Ichige (4 out of 4 patents)
10. Kazuhiko Koyano (4 out of 4 patents)
11. Shunsuke Kasamatsu (3 out of 3 patents)
12. Akiyoshi Ota (3 out of 3 patents)
13. Masae Shibasaki (3 out of 3 patents)
14. Akihisa Shibayama (3 out of 3 patents)
15. Shinobu Ozaki (3 out of 3 patents)
Core Competencies:
Electronic Balance
Moisture Meter
Load Cell
Sphygmomanometer
Weighing Apparatus
Animal Weighing Scale
Calibration Method
Engine Test Apparatus
Overload Prevention
Mass Sensor
Data Logger
Pipette Device
98 patents:
Company Overview
A&D Company, Limited, headquartered in Tokyo, Japan, specializes in advanced weighing technology and measurement solutions. The company develops and manufactures a diverse range of products, including electronic balances, moisture meters, load cells, and sphygmomanometers. A&D is recognized for its expertise in calibration methods and innovative weighing apparatuses, catering to various industries such as healthcare, agriculture, and manufacturing. Their commitment to precision and reliability positions them as a leader in the field of measurement technology.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: A&d Company, Limited. Retrieved from https://idiyas.com/company/a-and-d-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]
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]
40 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]