Masayuki Okura

This inventor holds 19 USPTO granted patents and 12 published patent applications, plus 20 CIPO patents and 9 EPO patents, primarily in Downhole Tool Technology. Top assignees: Kureha Corporation, Toppan Printing Co., Ltd.. Active years: 2010-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masayuki Okura. Retrieved from https://idiyas.com/inventor/masayuki-okura

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

USPTO Granted Patents = 19 (Patent Applications = 12)

% Patents Active = 94.7

CIPO Patents = 20

EPO Patents = 9 (Patent Applications = 11)

Average Co-Inventor Count = 2.7

ph-index = 4

Forward Citations = 66(Granted Patents)

Location History:

Ibaraki, JP (2012)
Chuo-ku, JP (2010 - 2014)
Tokyo, JP (2016 - 2020)

Company Filing History:

Toppan Printing Co., Ltd.

patents

Years Active: 2010-2020

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Areas of Expertise:

Downhole Tool

Hydrocarbon Recovery

Degradable Rubber

Well Drilling

Gas Barrier Film

Poly-L-Lactic Acid

Extrusion Molding

Seal Member

Ball Sealer

Aqueous Polymer

Coating Solution

Polyglycolic Acid

19 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10738561 - Stock shape for downhole tool component, downhole tool component, and downhole tool (2020-08-11),

2. 10626694 - Downhole tool member for hydrocarbon resource recovery (2020-04-21),

3. 10619084 - Plug for well drilling provided with diametrically expandable annular rubber member formed from degradable rubber material (2020-04-14),

4. 10414851 - Rubber member for downhole tools, downhole tool, and method for recovering hydrocarbon resource (2019-09-17),

5. 10280699 - Degradable rubber member for downhole tools, degradable seal member, degradable protecting member, downhole tool, and method for well drilling (2019-05-07),

6. 10208559 - Diameter-expandable annular degradable seal member for downhole tool, plug for well drilling, and method for well drilling (2019-02-19),

7. 10072476 - Poly-L-lactic acid solid-state extrusion molded article, method for producing the same, and use applications of the same (2018-09-11),

8. 10030465 - Solidification- and extrusion-molded article of polyglycolic acid and method for manufacturing same (2018-07-24),

9. 10030464 - Member for hydrocarbon resource collection downhole tool (2018-07-24),

10. 9926764 - Molded product having effective thickness of 1 mm or more and containing aliphatic polyester resin, and downhole tool member for hydrocarbon resource recovery (2018-03-27),

11. 9914871 - Ball sealer for hydrocarbon resource recovery, method for manufacturing same, and method for treating borehole using same (2018-03-13),

12. 9879500 - Well treatment method by disintegrating elastic material by contacting seal member for downhole tools comprising elastic material with well treatment fluid (2018-01-30),

13. 9714551 - Plug for well drilling process provided with mandrel formed from degradable material (2017-07-25),

14. 9644453 - Ball sealer for hydrocarbon resource collection as well as production method therefor and downhole treatment method using same (2017-05-09),

15. 9574418 - Downhole tool member for hydrocarbon resource recovery (2017-02-21),

Title: The Inventive World of Masayuki Okura

Introduction:

Masayuki Okura, a talented inventor based in Tokyo, Japan, has made significant contributions to the field of downhole tool components with his groundbreaking patents and innovative designs.

Latest Patents:

1. Stock shape for downhole tool component: Okura's patent introduces a stock shape for a downhole tool component made of a magnesium alloy, enhancing strength and degradability for efficient tool performance.

2. Downhole tool member for hydrocarbon resource recovery: Another patented invention by Okura, this downhole tool member is crafted from a polyglycolic acid resin, providing enhanced strength and longevity for hydrocarbon resource recovery operations.

Career Highlights:

Okura has an impressive portfolio of 19 patents, showcasing his expertise in materials science and engineering. He has a keen focus on developing tools that are durable, efficient, and eco-friendly for the oil and gas industry.

Collaborations:

Throughout his career, Okura has collaborated with esteemed companies such as Kureha Corporation and Toppan Printing Co., Ltd. He has worked closely with industry experts like Takeo Takahashi and Hiroyuki Sato to bring his innovative ideas to life.

Conclusion:

Masayuki Okura's inventive spirit and dedication to advancement in downhole tool technology have solidified his reputation as a leading inventor in the field. His patents continue to shape the industry and drive progress towards more sustainable and effective solutions for hydrocarbon resource recovery.

Profile summary based on public USPTO records.