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For the Inventor, By the Inventor

Sakai, Japan

Tatsuya Sakai

This inventor holds 11 USPTO granted patents and 1 EPO patent. Top assignees: Sharp Kabushiki Kaisha Corporation, Kubota Corporation. Active years: 2002-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tatsuya Sakai. Retrieved from https://idiyas.com/inventor/tatsuya-sakai-nljuly2f

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

Calculating rank
USPTO Granted Patents = 11

% Patents Active = 90.9


Average Co-Inventor Count = 2.5

ph-index = 1

Forward Citations = 9(Granted Patents)


Location History:

  • Shijonawate, JP (2002)
  • Osaka, JP (2014 - 2016)
  • Sakai, JP (2017 - 2023)

Company Filing History:

goldMedal8 out of 25,982 
 
Sharp Kabushiki Kaisha Corporation
 patents
silverMedal3 out of 2,916 
 
Kubota Corporation
 patents

Years Active: 2002-2026

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11 patents (USPTO):Explore Patents
1. 12680611 - Work vehicle (2026-07-14),
2. 11801840 - Work vehicle, control method, and recording medium (2023-10-31),
3. 11745584 - PTO shaft driving device in working machine (2023-09-05),
4. 10972879 - Communication terminal, communication method, computer readable recording medium having communication program recorded, and network system (2021-04-06),
5. 10524097 - Communication terminal, communication method, computer readable recording medium having communication program recorded, and network system (2019-12-31),
6. 10117071 - Communication method (2018-10-30),
7. 9775010 - Communication terminal, communication method, computer readable recording medium having communication program recorded, and network system (2017-09-26),
8. 9485349 - Communication terminal, communication method, computer readable recording medium having communication program recorded, and network system (2016-11-01),
9. 8909263 - Communication terminal, communication method, computer readable recording medium having communication program recorded, and network system (2014-12-09),
10. 6459377 - Abnormal condition detecting system detecting abnormal condition of user at residence (2002-10-01),
11. 6408344 - Method and apparatus for file transfer and computer readable recording medium recording a file transfer program (2002-06-18),

Title: Tatsuya Sakai: Innovator in Work Vehicle Technology

Introduction

Tatsuya Sakai is a prominent inventor based in Sakai, Japan. He has made significant contributions to the field of work vehicle technology, holding a total of 11 patents. His innovative designs focus on enhancing the efficiency and functionality of work vehicles.

Latest Patents

Sakai's latest patents include a groundbreaking work vehicle that features a hydrostatic continuously variable transmission. This vehicle utilizes an electric motor for shifting and incorporates a unique linkage mechanism that connects the shifting shaft of the electric motor with the trunnion shaft of the transmission. The design includes a biasing mechanism that ensures smooth operation by maintaining contact between the gears in a reverse rotation direction. Another notable patent is for a work vehicle control method, which allows for precise control of the engine's rotation speed based on user input. This system includes a first operating tool for adjusting the engine speed and a second tool that holds the engine speed constant when instructed.

Career Highlights

Throughout his career, Tatsuya Sakai has worked with esteemed companies such as Sharp Corporation and Kubota Corporation. His experience in these organizations has greatly influenced his innovative approach to work vehicle design.

Collaborations

Sakai has collaborated with notable coworkers, including Junji Suetsugu and Toshio Akabane. Their combined expertise has contributed to the development of advanced technologies in the work vehicle sector.

Conclusion

Tatsuya Sakai's contributions to work vehicle technology through his patents and collaborations highlight his role as a leading inventor in the industry. His innovative designs continue to shape the future of work vehicles.

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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