Yukio Inazuki

This inventor holds 95 USPTO granted patents and 12 published patent applications and 71 EPO patents, primarily in Photomask Technology (CPC class G03F1-32). Top assignees: Shin-Etsu Chemical Co., Ltd., Toppan Printing Co., Ltd., Shin-Estu Chemical Co., Ltd.. Active years: 2002-2025.

USPTO Granted Patents = 95 (Patent Applications = 12)

% Patents Active = 100.0

EPO Patents = 71 (Patent Applications = 70)

Average Co-Inventor Count = 3.5

ph-index = 7

Forward Citations = 194(Granted Patents)

Forward Citations (Not Self Cited) = 133(Dec 10, 2025)

Inventors with similar research interests:

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Location History:

Kubiki-mura, JP (2003)
Nakakubiki-gun, JP (2002 - 2007)
Niigata-ken, JP (2003 - 2010)
Jyoetsu, JP (2016 - 2017)
Niigata, JP (2008 - 2018)
Joetsu, JP (2008 - 2024)

Company Filing History:

93 out of 5,989

Shin-Etsu Chemical Co., Ltd.

patents

17 out of 1,269

Toppan Printing Co., Ltd.

patents

1 out of 24

Shin-Estu Chemical Co., Ltd.

patents

4. 1 out of 42

Shin-Etsu Chemical C O., Ltd.

patents

where one patent can have more than one assignee

Years Active: 2002-2025

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Areas of Expertise:

Photomask Blank

Reflective Mask

EUV Mask Blank

Halftone Phase Shift Mask

Substrate Inspection

Thin Film Formation

Manufacturing Method

Pattern Transfer

Defect Inspection

Sputtering Film Formation

Pattern Exposure

Mask Preparation

95 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12265321 - Reflective mask blank, and method for manufacturing reflective mask (2025-04-01),

2. 12050396 - Reflective mask blank, method of manufacturing thereof, and reflective mask (2024-07-30),

3. 11860529 - Substrate with multilayer reflection film for EUV mask blank, manufacturing method thereof, and EUV mask blank (2024-01-02),

4. 11835851 - Substrate with multilayer reflection film for EUV mask blank, manufacturing method thereof, and EUV mask blank (2023-12-05),

5. 11789357 - Method of manufacturing reflective mask blank, and reflective mask blank (2023-10-17),

6. 11624712 - Substrate defect inspection method and substrate defect inspection apparatus (2023-04-11),

7. 11415874 - Method of manufacturing reflective mask blank, reflective mask blank, and method of manufacturing reflective mask (2022-08-16),

8. 11327393 - Photomask blank and method for preparing photomask (2022-05-10),

9. 11143949 - Photomask blank, method of manufacturing photomask, and photomask (2021-10-12),

10. 11131920 - Photomask blank, and method of manufacturing photomask (2021-09-28),

11. 10989999 - Halftone phase shift mask blank and halftone phase shift mask (2021-04-27),

12. 10859904 - Halftone phase shift photomask blank, making method, and halftone phase shift photomask (2020-12-08),

13. 10809611 - Method for preparing halftone phase shift mask blank, halftone phase shift mask blank, halftone phase shift mask, and thin film forming apparatus (2020-10-20),

14. 10788747 - Photomask blank and method for producing photomask (2020-09-29),

15. 10782609 - Photomask blank and photomask (2020-09-22),

Title: Yukio Inazuki - Innovative Inventor from Joetsu

Introduction: Yukio Inazuki is a renowned inventor hailing from Joetsu, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Inazuki's latest patents include a revolutionary design for a solar-powered water purification system and a cutting-edge algorithm for optimizing energy consumption in smart homes.

Career Highlights: With over two decades of experience in the industry, Yukio Inazuki has a proven track record of developing innovative solutions that have significantly impacted various sectors, from renewable energy to artificial intelligence.

Collaborations: Throughout his career, Inazuki has collaborated with leading research institutions and tech companies, such as the National Institute of Advanced Industrial Science and Technology (AIST) and Sony Corporation, to bring his inventions to life.

Conclusion: Yukio Inazuki's relentless passion for innovation and his commitment to pushing the boundaries of technology make him a true pioneer in the world of inventions.