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For the Inventor, By the Inventor

Sakado, Japan

Takeshi Jinnouchi

This inventor holds 18 USPTO granted patents. Top assignees: Eagle Industry Co., Ltd., Nippon Oil Seal Industry Co., Ltd.. Active years: 1980-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeshi Jinnouchi. Retrieved from https://idiyas.com/inventor/takeshi-jinnouchi

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

USPTO Granted Patents = 18

% Patents Active = 100.0

Average Co-Inventor Count = 2.6

ph-index = 11

Forward Citations = 220(Granted Patents)


Company Filing History:

goldMedal16 out of 543 
 
Eagle Industry Co., Ltd.
 patents
silverMedal2 out of 25 
 
Nippon Oil Seal Industry Co., Ltd.
 patents

Years Active: 1980-1991

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18 patents (USPTO):Explore Patents
1. 5044910 - Vane pump with rotatable drive means for vanes (1991-09-03),
2. 5032070 - Rotary machine having axially biased ring for limiting radial vane (1991-07-16),
3. 5030074 - Rotary machine with dynamic pressure bearing grooves on vane guide ring (1991-07-09),
4. 5022842 - Vane pump with rotatable annular ring means to control vane extension (1991-06-11),
5. 5011390 - Rotary vane machine having stopper engaging recess in vane means (1991-04-30),
6. 5002473 - Vane pump with annular ring and cylindrical slide as vane guide (1991-03-26),
7. 4998868 - Vane pump with sliding members on axial vane projections (1991-03-12),
8. 4998867 - Rotary machine having axial projections on vanes closer to outer edge (1991-03-12),
9. 4997353 - Vane pump with dynamic pressure bearing grooves on vane guide ring (1991-03-05),
10. 4997351 - Rotary machine having vanes with embedded reinforcement (1991-03-05),
11. 4971306 - Seals for cylindrical surfaces (1990-11-20),
12. 4958995 - Vane pump with annular recesses to control vane extension (1990-09-25),
13. 4955985 - Vane pump with annular ring for engaging vanes and drive means in which (1990-09-11),
14. 4943069 - Shaft seal disposed about a rotatable shaft (1990-07-24),
15. 4917584 - Vane pump with annular aetainer limiting outward radial vane movement (1990-04-17),

Title: The Innovative Contributions of Takeshi Jinnouchi

Introduction

Takeshi Jinnouchi is a prominent inventor based in Sakado, Japan. He has made significant contributions to the field of rotary machines, holding a total of 18 patents. His innovative designs have advanced the functionality and efficiency of various mechanical systems.

Latest Patents

Among his latest patents is the "Vane pump with rotatable drive means for vanes." This invention features a rotary vane machine that incorporates rotatable cams between annular rings, which are housed in a rotor. The design allows for vanes to be radially slidable, preventing contact with the inner surface of the housing. Another notable patent is the "Rotary machine having axially biased ring for limiting radial vane." This rotary machine includes a housing with a rotor chamber and vanes that define variable volume chambers as the rotor rotates. The design includes limiting devices to prevent sliding contact between the vanes and the housing, enhancing the machine's stability.

Career Highlights

Takeshi Jinnouchi has worked with notable companies such as Eagle Industry Co., Ltd. and Nippon Oil Seal Industry Co., Ltd. His experience in these organizations has contributed to his expertise in developing innovative mechanical solutions.

Collaborations

He has collaborated with talented individuals in the field, including Yukio Horikoshi and Hiroshi Sakamaki. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Takeshi Jinnouchi's contributions to the field of rotary machines exemplify his innovative spirit and dedication to engineering excellence. His patents reflect a commitment to improving mechanical systems, making him a noteworthy figure in the world of inventions.

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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