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For the Inventor, By the Inventor

Shimizu, Japan

Takahiro Tamura

This inventor holds 20 USPTO granted patents, primarily in Scroll Compressor Technology. Top assignee: Hitachi, Ltd.. Active years: 1985-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takahiro Tamura. Retrieved from https://idiyas.com/inventor/takahiro-tamura-mdlp5wan

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

Calculating rank
USPTO Granted Patents = 20

% Patents Active = 100.0

Average Co-Inventor Count = 3.4

ph-index = 13

Forward Citations = 354(Granted Patents)


Company Filing History:

goldMedal20 out of 42,752 
 
Hitachi, Ltd.
 patents

Years Active: 1985-1994

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Areas of Expertise:
Scroll Compressor
Lubrication System
Oil Reservoir
Fluid Machine
Bearing Device
Pressure Differential
Closed Type
Spherical Slide Bearing
Oil Feeding
Hermetic Compressor
Seal Design
Compression Spaces
20 patents (USPTO):Explore Patents
1. 5277564 - Closed type scroll compressor with spherical slide bearing for the oil (1994-01-11),
2. 5112201 - Scroll compressor apparatus with separate oil reservoir vessel (1992-05-12),
3. 5110268 - Lubricant supply system of a scroll fluid machine (1992-05-05),
4. 5017108 - Scroll compressor with first and second oil pumps in series (1991-05-21),
5. 4997350 - Scroll fluid machine with bearing lubrication (1991-03-05),
6. 4898521 - Oil feeding system for scroll compressor (1990-02-06),
7. 4886427 - Hermetic scroll compressor with passage group for discharged fluid (1989-12-12),
8. 4818198 - Scroll fluid machine with oil feed passages (1989-04-04),
9. 4762478 - Scroll compressor with balancer mounted in single frame (1988-08-09),
10. 4743181 - Scroll-type fluid machine with seal to aid lubrication (1988-05-10),
11. 4730997 - Hermetic scroll compressor having concave spaces communicating with a (1988-03-15),
12. 4714415 - Scroll compressor with closed compression spaces having valves to reduce (1987-12-22),
13. 4690625 - Scroll-type fluid machine with configured wrap edges and grooves (1987-09-01),
14. 4669962 - Scroll compressor with pressure differential maintained for supplying oil (1987-06-02),
15. 4596521 - Scroll fluid apparatus (1986-06-24),

Title: Takahiro Tamura: Innovator in Scroll Compressor Technology

Introduction: Takahiro Tamura is a prominent inventor based in Shimizu, Japan, with a significant contribution to the field of compressor technology. He holds a total of 20 patents, showcasing his dedication to innovation and advancement in mechanical engineering. Tamura’s work primarily focuses on closed-type scroll compressors, which are integral in various industrial applications.

Latest Patents: Among his latest patents are two notable inventions. The first is a "Closed Type Scroll Compressor with Spherical Slide Bearing for the Oil." This invention enhances the compressor design by integrating a drive shaft supported by a frame with bearings that are lubricated via a lubricating oil passage bore. This system allows for precise assembly without the risk of uneven contact between sliding components. The second patent, titled "Scroll Compressor Apparatus with Separate Oil Reservoir Vessel," outlines a sophisticated scroll compressor design that employs a separate oil reservoir. This design includes a comprehensive array of oil supply passages, ensuring optimal lubrication of the compressor's moving parts and enhancing its overall operational efficiency.

Career Highlights: Takahiro Tamura has established himself within Hitachi, Ltd., a leading company in engineering and manufacturing solutions. His role has allowed him to leverage his expertise in designing and improving compressor technology, which is critical in various applications such as HVAC systems and refrigeration.

Collaborations: Throughout his career, Tamura has collaborated with esteemed colleagues, including Takao Mizuno and Naoshi Uchikawa. These partnerships have fostered an environment of innovation and creativity, contributing to the successful development of new technologies in the field of compressors.

Conclusion: In conclusion, Takahiro Tamura’s contributions to the development of scroll compressor technology through his numerous patents demonstrate his commitment to engineering excellence. His innovative designs not only enhance performance but also contribute to advancements in the machinery industry. As a key figure at Hitachi, Ltd., his work continues to influence the future of compressor technology.

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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