Masanori Yamazaki

This inventor holds 24 USPTO granted patents and 2 published patent applications and 4 EPO patents, primarily in Semiconductor Materials. Top assignees: Mitsubishi Chemical Corporation, Denso Corporation, Jatco Corporation. Active years: 1991-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masanori Yamazaki. Retrieved from https://idiyas.com/inventor/masanori-yamazaki

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

USPTO Granted Patents = 24 (Patent Applications = 2)

% Patents Active = 79.2

EPO Patents = 4 (Patent Applications = 4)

Average Co-Inventor Count = 5.5

ph-index = 8

Forward Citations = 124(Granted Patents)

Location History:

Tokyo, JP (1991)
Inashiki-gun, JP (1998)
Ibaraki, JP (1999)
Kanagawa, JP (2006 - 2017)
Yokohama, JP (2008 - 2019)
Isehara, JP (2023)

Company Filing History:

15 out of 2,426

Mitsubishi Chemical Corporation

Nippon Kasei Chemical Company Limited

patents

5. 2 out of 801

Nippon Kayaku Kabushiki Kaisha

patents

6. 1 out of 116

Mitsubishi Plastics, Inc.

patents

where one patent can have more than one assignee

Years Active: 1991-2025

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Areas of Expertise:

Boron Nitride

Heat Dissipation

Semiconductor Device

Optical Material

Inorganic-Organic Hybrid

Adsorption Heat Pump

Layered Semiconductor

Polymerizable Dispersant

Zeolite

Curable Polysiloxane

Humidity Control

Heat Storage

24 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12275888 - Agglomerated boron nitride powder, heat dissipation sheet, and semiconductor device (2025-04-14),

2. 11692625 - Continuously variable transmission and control method for continuously variable transmission (2023-07-04),

3. 11686387 - Continuously variable transmission and control method for continuously variable transmission (2023-06-27),

4. 10414653 - Agglomerated boron nitride particles, production method for agglomerated boron nitride particles, resin composition including agglomerated boron nitride particles, moulded body, and sheet (2019-09-17),

5. 10400151 - Agglomerated boron nitride particles, composition containing said particles, and three- dimensional integrated circuit having layer comprising said composition (2019-09-03),

6. 10125289 - Composition for interlayer filler of layered semiconductor device, layered semiconductor device, and process for producing layered semiconductor device (2018-11-13),

7. 10106413 - Agglomerated boron nitride particles, production method for agglomerated boron nitride particles, resin composition including agglomerated boron nitride particles, moulded body, and sheet (2018-10-23),

8. 9822294 - Agglomerated boron nitride particles, composition containing said particles, and three-dimensional integrated circuit having layer comprising said composition (2017-11-21),

9. 9753188 - Inorganic-organic hybrid material, optical material using the same, and inorganic-organic composite composition (2017-09-05),

10. 9201168 - Polymerizable inorganic-particle dispersant, inorganic-organic composite particles containing said polymerizable inorganic-particle dispersant, and inorganic-organic resin composite material (2015-12-01),

11. 8815388 - Inorganic-organic hybrid material, optical material using the same, and inorganic-organic composite composition (2014-08-26),

12. 8629222 - Curable polysiloxane composition, and polysiloxane cured product, optical member, member for aerospace industry, semiconductor light-emitting device, illuminating device and image display device using the same (2014-01-14),

13. 8333079 - Adsorption heat pump and use of adsorbent as adsorbent for adsorption heat pump (2012-12-18),

14. 7931551 - Hydraulic control apparatus and method for belt-type continuously-variable transmission (2011-04-26),

15. 7928457 - Member for semiconductor light emitting device and method for manufacturing such member, and semiconductor light emitting device using such member (2011-04-19),

Title: **Masanori Yamazaki: Innovator in Continuously Variable Transmission Technology**

Introduction

Masanori Yamazaki is a prominent inventor based in Kanagawa, Japan, known for his significant contributions to the field of continuously variable transmission (CVT) technology. With a remarkable portfolio of 21 patents, Yamazaki has carved out a niche for himself within the automotive industry, focusing on innovations that enhance the performance and reliability of CVTs.

Latest Patents

Yamazaki's latest patents reflect his expertise in designing advanced control methods for continuously variable transmissions. One of his notable patents involves a continuously variable transmission that consists of a primary pulley, a secondary pulley, a metal belt, and a smart controller. This innovative design features a metal ring and multiple elements that are bundled together. The elements include receiving portions that open radially to accommodate the ring. When a relative movement of these elements in the lateral direction, perpendicular to both the circumferential and radial directions, is detected, the controller can execute a falling-off countermeasure. Additionally, another patent emphasizes a similar mechanism that utilizes a preliminary determined control response when detecting excessive end play in the transmission, thus ensuring optimal performance under various operational conditions.

Career Highlights

Throughout his career, Masanori Yamazaki has worked for prestigious companies such as Mitsubishi Chemical Corporation and Jatco Corporation. His roles in these organizations have allowed him to develop and refine his innovative ideas, contributing to the advancement of transmission technology within the automotive sector.

Collaborations

Yamazaki has collaborated with esteemed colleagues, including Takahiko Takewaki and Hiroyuki Kakiuchi. Their partnership has fostered a productive exchange of ideas and has led to the development of cutting-edge technologies in the field of continuously variable transmissions.

Conclusion

Masanori Yamazaki's contributions to the automotive industry through his inventive spirit and extensive patent portfolio are commendable. His dedication to enhancing continuously variable transmission technologies continues to impact the field, promising a future of innovations that improve vehicle performance and efficiency.

Profile summary based on public USPTO records.