Makoto Yamanashi

This inventor holds 65 USPTO granted patents, primarily in Connector Technology (CPC class 4395). Top assignees: Yazaki Corporation, Other. Active years: 1990-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Makoto Yamanashi. Retrieved from https://idiyas.com/inventor/makoto-yamanashi

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

USPTO Granted Patents = 65

% Patents Active = 84.6

Average Co-Inventor Count = 1.6

ph-index = 17

Forward Citations = 785(Granted Patents)

Forward Citations (Not Self Cited) = 766(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Haibara, JP (1995 - 1996)
Shizoka-ken, JP (1997)
Shizuoka-ken, JP (1996 - 1998)
Shizuoka, JP (1990 - 2008)
Haibara-gun, JP (1996 - 2008)

Company Filing History:

64 out of 8,381

Yazaki Corporation

patents

1 out of 834,513

Other

patents

Years Active: 1990-2008

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Areas of Expertise:

Connector

Terminal Fitting

Wiring Unit

Press-Contact Connector

Low-Insertion-Force

Assembly Process

Connector Housing

Electrical Cable Holding Case

Bulb Socket Plug

Coupling Structure

Liquid-Tight Connector

Preventing Mechanisms

65 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7371102 - Lock structure of connector (2008-05-13),

2. 7318271 - Device for assembling connector (2008-01-15),

3. 7261585 - Press-contact connector (2007-08-28),

4. 7124506 - Process for assembling connector (2006-10-24),

5. 7070442 - Structure for press-connecting sheathed electric wire with terminal (2006-07-04),

6. 7029314 - Press-contacting connector (2006-04-18),

7. 6692290 - Terminal fitting (2004-02-17),

8. 6669507 - Connector (2003-12-30),

9. 6572408 - Connector housing having thin-walled portion to facilitate inspection and method of manufacturing the same (2003-06-03),

10. 6469261 - Wiring unit (2002-10-22),

11. 6465748 - Wiring unit (2002-10-15),

12. 6457981 - Wiring unit and electric junction box (2002-10-01),

13. 6454582 - Wiring unit (2002-09-24),

14. 6443738 - Wiring unit (2002-09-03),

15. 6390849 - Terminal holding structure (2002-05-21),

Title: **Innovative Contributions of Makoto Yamanashi in Connector Technology**

Introduction

Makoto Yamanashi, a prolific inventor based in Shizuoka, Japan, has made significant contributions in the field of connector technology, holding an impressive total of 65 patents. His inventive spirit and dedication to improvement in connector mechanisms have established him as a noteworthy figure in the industry.

Latest Patents

Among Yamanashi's latest innovations are two key patents. The first is a **Lock Structure of Connector**, which enhances the locking mechanism between female and male connectors. This inventive design incorporates a slide lock member that is supported on the male connector and engages with a retaining portion in the female connector upon complete fitting, promoting reliability and ease of use.

The second patent is a **Device for Assembling Connector**, which aims to improve production efficiency by mitigating insertion errors during the assembly process of wiring harnesses. By employing an automatic assembly machine, Yamanashi’s invention enables provisional locking of a spacer within the connector housing and streamlines the terminal insertion procedure, thereby optimizing manufacturing workflows.

Career Highlights

Throughout his career, Yamanashi has been associated with various esteemed companies, including Yazaki Corporation, where he further developed his skills in innovation and engineering. His contributions to the company have significantly impacted the connectivity solutions market.

Collaborations

During his career, Makoto Yamanashi has collaborated with notable professionals in the field, including Kenji Takenouchi and Takao Murakami. Their joint efforts have led to advancements in connector technologies and have bolstered the reputation of their respective organizations in the innovative landscape.

Conclusion

Makoto Yamanashi's extensive portfolio of patents and collaborations reflects his commitment to excellence in connector technology. His innovative inventions continue to inspire advancements in manufacturing processes and product reliability, solidifying his place as an influential inventor in the industry. Through his work, Yamanashi demonstrates the power of creativity and technical expertise in driving innovation forward.

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]