Hiroyuki Hanawa

This inventor holds 30 USPTO granted patents and 13 published patent applications, plus 3 CIPO patents and 4 EPO patents, primarily in Battery Technology. Top assignees: Hitachi Koki Co., Ltd., Koki Holdings Co., Ltd.. Active years: 2008-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Hanawa. Retrieved from https://idiyas.com/inventor/hiroyuki-hanawa

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

USPTO Granted Patents = 30 (Patent Applications = 13)

% Patents Active = 83.3

CIPO Patents = 3 (Patent Applications = 3)

EPO Patents = 4 (Patent Applications = 13)

Average Co-Inventor Count = 4.6

ph-index = 8

Forward Citations = 323(Granted Patents)

Location History:

Hitachinaka, JP (2008 - 2019)
Ibaraki, JP (2010 - 2024)

Company Filing History:

17 out of 1,267

Hitachi Koki Co., Ltd.

patents

13 out of 212

Koki Holdings Co., Ltd.

patents

Years Active: 2008-2025

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Areas of Expertise:

Battery Pack

Wireless Linking

Electrical Apparatus

Electric Device

Power Tool

Battery Charger

Lithium-Ion

Cordless Tool

Motor-Driven Tool

Charging Device

Sealing Member

Overcurrent Protection

30 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12224407 - Battery pack and wireless linking system (2025-02-11),

2. 12125994 - Electrical apparatus using battery pack (2024-10-22),

3. 12101830 - Battery pack and electric device system (2024-09-24),

4. 12074296 - Battery pack, electric apparatus using battery pack, and electric apparatus main body (2024-08-27),

5. 12046721 - Battery pack and electric apparatus using battery pack (2024-07-23),

6. 11837741 - Electrical apparatus using battery pack (2023-12-05),

7. 11824169 - Battery pack, electrical device using battery pack, and electrical device system (2023-11-21),

8. 11710860 - Battery pack and electrical apparatus using battery pack (2023-07-25),

9. 11637433 - Battery pack and electrical apparatus (2023-04-25),

10. 11367907 - Battery pack and electric apparatus using battery pack (2022-06-21),

11. 11229997 - Working machine (2022-01-25),

12. 11205820 - Battery pack, electrical device using battery pack, and electrical device system (2021-12-21),

13. 10263228 - Electric device including sealing member between attachment part and battery pack (2019-04-16),

14. 9748534 - Electric tool and battery pack for the electric tool (2017-08-29),

15. 9236588 - Battery pack and power tool provided with the same (2016-01-12),

Title: The Innovative Journey of Hiroyuki Hanawa

Introduction:

Hiroyuki Hanawa is a renowned inventor hailing from Hitachinaka, Japan. His groundbreaking work in the field of innovation has significantly impacted various industries and technologies.

Latest Patents:

Hanawa's latest patents focus on advancements in medical devices, particularly in the development of cutting-edge surgical tools and equipment designed to enhance precision and efficiency in healthcare practices.

Career Highlights:

With a career spanning over two decades, Hanawa has established himself as a pioneer in the field of medical technology. His contributions have led to numerous breakthroughs in the healthcare sector, revolutionizing the way medical procedures are conducted.

Collaborations:

Throughout his career, Hanawa has collaborated with leading medical institutions and research centers to further his innovative projects. His partnerships have been instrumental in bringing his visionary ideas to life and implementing them on a global scale.

Conclusion:

In conclusion, Hiroyuki Hanawa's dedication to innovation and his relentless pursuit of excellence have solidified his position as a trailblazer in the world of medical technology. His inventive spirit continues to inspire future generations of inventors and researchers to push the boundaries of what is possible in the realm of healthcare innovation.

Profile summary based on public USPTO records.