Shinjiro Kuwayama

This inventor holds 13 USPTO granted patents and 2 published patent applications, plus 6 CIPO patents and 5 EPO patents. Top assignees: Nippon Steel Sumitomo Metal Corporation, Sumitomo Pipe & Tube Co., Ltd., Kabushiki Kaisha Yaskawa Denki. Active years: 2012-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shinjiro Kuwayama. Retrieved from https://idiyas.com/inventor/shinjiro-kuwayama

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

USPTO Granted Patents = 13 (Patent Applications = 2)

% Patents Active = 76.9

CIPO Patents = 6

EPO Patents = 5 (Patent Applications = 4)

Average Co-Inventor Count = 2.7

ph-index = 4

Forward Citations = 26(Granted Patents)

Location History:

Wakayama, JP (2014)
Osaka, JP (2012 - 2017)
Tokyo, JP (2018 - 2023)

Company Filing History:

9 out of 1,102

Nippon Steel Sumitomo Metal Corporation

patents

8 out of 17

Sumitomo Pipe & Tube Co., Ltd.

patents

3 out of 1,138

Kabushiki Kaisha Yaskawa Denki

patents

4. 3 out of 3

Nippon Steel & Sumikin Pipe Co., Ltd.

patents

5. 2 out of 3

Nippon Steel & Sumikin Texeng, Co., Ltd.

patents

6. 1 out of 3,713

Nippon Steel Corporation

patents

7. 1 out of 20

Showa Manufacturing Co., Ltd.

patents

8. 1 out of 929

Sumitomo Metal Industries, Inc.

patents

where one patent can have more than one assignee

Years Active: 2012-2023

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13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11708620 - Far-infrared radiation multi-stage type heating furnace for steel sheets for hot stamping (2023-07-25),

2. 10774398 - Far-infrared radiation multi-stage type heating furnace for steel sheets for hot stamping (2020-09-15),

3. 10537927 - Method for manufacturing a bent member (2020-01-21),

4. 10016802 - Method and apparatus for manufacturing a bent product (2018-07-10),

5. 9821357 - Method and apparatus for manufacturing a bent product (2017-11-21),

6. 9457390 - Method and apparatus for manufacturing a bent member (2016-10-04),

7. 9409269 - Positioning apparatus, working system, and hot working apparatus (2016-08-09),

8. 8919171 - Method for three-dimensionally bending workpiece and bent product (2014-12-30),

9. 8863565 - Three-dimensionally bending machine, bending-equipment line, and bent product (2014-10-21),

10. 8776568 - Bent member and an apparatus and method for its manufacture (2014-07-15),

11. 8528380 - Bending apparatus (2013-09-10),

12. 8511135 - Bending apparatus (2013-08-20),

13. 8316683 - Method of manufacturing a bent product and an apparatus and a continuous line for manufacturing the same (2012-11-27),

Title: Biography of Shinjiro Kuwayama

Introduction

Shinjiro Kuwayama is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of heating technology, particularly in the development of far-infrared radiation heating systems for steel sheets used in hot stamping processes. With a total of 13 patents to his name, Kuwayama's innovations have advanced industrial heating methods.

Latest Patents

His latest patents include a far-infrared radiation multi-stage type heating furnace designed specifically for steel sheets used in hot stamping. This innovative furnace supports steel sheets over extended periods, preventing thermal deformation through the use of specialized support members. The heating units are arranged vertically in multiple stages and utilize far-infrared radiation heaters to achieve temperatures ranging from the transformation temperature to 950°C. Another notable patent involves a flexible far-infrared radiation heater that maintains its shape during heating, ensuring efficient performance.

Career Highlights

Throughout his career, Kuwayama has worked with leading companies in the steel industry, including Nippon Steel & Sumitomo Metal Corporation and Sumitomo Pipe & Tube Co., Ltd. His work has been instrumental in enhancing the efficiency and effectiveness of heating processes in manufacturing.

Collaborations

Kuwayama has collaborated with esteemed colleagues such as Atsushi Tomizawa and Saburo Inoue. These partnerships have fostered innovation and contributed to the successful

Profile summary based on public USPTO records.