Makoto Hemmi

This inventor holds 16 USPTO granted patents and 5 published patent applications, plus 1 CIPO patent and 9 EPO patents. Top assignees: Hitachi, Ltd., Mitsubishi Hitachi Power Systems, Ltd., Hitachi Construction Machinery Co., Ltd.. Active years: 2009-2021.

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

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

USPTO Granted Patents = 16 (Patent Applications = 5)

% Patents Active = 43.8

CIPO Patents = 1

EPO Patents = 9 (Patent Applications = 12)

Average Co-Inventor Count = 3.6

ph-index = 5

Forward Citations = 74(Granted Patents)

Location History:

Chiyoda, JP (2010)
Hitachinaka, JP (2009 - 2014)
Mito, JP (2014)
Tokyo, JP (2015 - 2021)

Company Filing History:

Mitsubishi Hitachi Power Systems, Ltd.

patents

1 out of 1,508

Hitachi Construction Machinery Co., Ltd.

patents

4. 1 out of 29

Hitachi Industrial Products, Ltd.

patents

Years Active: 2009-2021

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16 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11204062 - Tilting pad journal bearing and rotary machine using same (2021-12-21),

2. 10323688 - Hydro dynamic bearing device (2019-06-18),

3. 9915249 - Hydraulic rotating equipment, and working machine provided with this hydraulic rotating equipment (2018-03-13),

4. 9746024 - Tilting pad type journal bearing (2017-08-29),

5. 9670957 - Tilting-pad thrust bearing and rotary machine having the same (2017-06-06),

6. 9611886 - Tilting pad bearing (2017-04-04),

7. 9377051 - Duplex bearing device (2016-06-28),

8. 9255604 - Hydro dynamic bearing device (2016-02-09),

9. 9169866 - Tilting pad bearing (2015-10-27),

10. 8882356 - Horizontal shaft type rotary machine (2014-11-11),

11. 8834032 - Tilting pad journal bearing and rotating machine provided with the same (2014-09-16),

12. 8790012 - Journal bearing device (2014-07-29),

13. 8147145 - Journal bearing device (2012-04-03),

14. 7832934 - Thrust bearing device (2010-11-16),

15. 7730713 - Gas turbine power plant (2010-06-08),

Title: Makoto Hemmi: Innovator in Bearing Technology

Introduction

Makoto Hemmi is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of bearing technology, holding a total of 16 patents. His innovative designs have advanced the efficiency and functionality of various mechanical systems.

Latest Patents

Among his latest patents are the "Tilting Pad Journal Bearing" and the "Hydro Dynamic Bearing Device." The tilting pad journal bearing is designed to optimize the lubrication of bearing pads by varying the circumferential position of oil feeding holes based on the position of each pad. This design enhances the performance of the bearing under different load conditions. The hydro dynamic bearing device features a unique construction where the upper half of the main bearing is lined with a low-strength metal, such as Babbitt metal, while the lower half includes a circumferential groove. This innovative approach allows for improved load distribution and durability.

Career Highlights

Makoto Hemmi has worked with notable companies, including Hitachi, Ltd. and Mitsubishi Hitachi Power Systems, Ltd. His experience in these organizations has allowed him to refine his expertise in mechanical engineering and bearing technology.

Collaborations

Throughout his career, Hemmi has collaborated with talented individuals such as Kenta Suzuki and Tomoaki Inoue. These partnerships have contributed to the development of his groundbreaking inventions.

Conclusion

Makoto Hemmi's contributions to bearing technology exemplify his innovative spirit and dedication to engineering excellence. His patents continue to influence the industry and pave the way for future advancements.

Profile summary based on public USPTO records.