Hyogo, Japan

Tlv Company, Limited


USPTO Granted Patents = 135

% Expired Patents = 5.9



Trademarks = 41

Forward Citations = 519

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59 inventors (with patents filed for the assignee):

goldMedal Hideaki Yumoto (32 out of 32 patents)

silverMedal Tadashi Oike (24 out of 24 patents)

bronzeMedal Yoshiyasu Fujiwara (15 out of 15 patents)

4.  Mamoru Nagase (9 out of 9 patents)

5.  Tetsuo Asada (8 out of 9 patents)

6.  Kazunori Oda (7 out of 7 patents)

7.  Masao Yonemura (6 out of 6 patents)

8.  Noriaki Tsuchiiwa (5 out of 5 patents)

9.  Kazunari Hagihara (5 out of 5 patents)

10.  John H Nguyen (5 out of 5 patents)

11.  Yoshio Miyamae (4 out of 4 patents)

12.  Tomoyuki Shiraishi (4 out of 4 patents)

13.  Yuichi Sugie (4 out of 4 patents)

14.  Takeshi Yokoyama (4 out of 8 patents)

15.  Tadaaki Kumamoto (4 out of 6 patents)


Core Competencies:
Fluid Management
Valve Device
Sensor Technology
Steam Monitoring
Risk Assessment
Equipment Management
Data Transmission
Fluid Utilization
Pressure Sensors
Automatic Drain Valve
Deterioration Detection
Liquid Pumping Apparatus

135 patents:

Company Overview
Tlv Company, Limited, based in Hyogo, Japan, specializes in fluid management systems that enhance efficiency and safety in industrial applications. The company focuses on developing advanced technologies related to fluid management, including valve devices and sensor technology. Their expertise extends to steam monitoring, risk assessment, and equipment management, ensuring optimal fluid utilization and data transmission. Tlv is committed to delivering innovative solutions that address the complexities of fluid dynamics in various industries.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

Tlv Company, Limited USPTO Patent Assignee Logo
135 Patents

#10 in Hyogo

#919 in Japan

#5,986 in the World

Hyogo, JP
Hyogo, Japan
Forward Citations = 519

59 inventors:

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tlv Company, Limited. Retrieved from https://idiyas.com/company/tlv-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]
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