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For the Inventor, By the Inventor

Tokyo, Japan

Michihiro Shoji

This inventor holds 16 USPTO granted patents, primarily in Drilling Technology. Top assignee: Nitto Kohki Co., Ltd.. Active years: 1985-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Michihiro Shoji. Retrieved from https://idiyas.com/inventor/michihiro-shoji

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

Calculating rank
USPTO Granted Patents = 16

% Patents Active = 100.0

Average Co-Inventor Count = 1.7

ph-index = 11

Forward Citations = 296(Granted Patents)


Company Filing History:

goldMedal16 out of 323 
 
Nitto Kohki Co., Ltd.
 patents

Years Active: 1985-2000

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Areas of Expertise:
Hydraulic Drive
Boring Machine
Electromagnetic Drill
Drilling Control
Battery-Powered Tool
Quick Return Mechanism
Chip Breaking Device
Annular Cutters
Magnet Base Drill
Drilling Apparatus
Control Device
Tool Controlling Apparatus
16 patents (USPTO):Explore Patents
1. 6109161 - Hydraulic driven tool controlling apparatus (2000-08-29),
2. 6072675 - Control device for boring machine (2000-06-06),
3. 6053258 - Hydraulic driven tool controlling apparatus (2000-04-25),
4. 5992536 - Hydraulic drive tool controlling apparatus (1999-11-30),
5. 5293156 - Hand tool driven by DC battery with multiple level battery condition (1994-03-08),
6. 5233887 - Quick return mechanism for a drilling machine (1993-08-10),
7. 5096339 - Electromagnetic base drill with antifloating control means (1992-03-17),
8. 5087157 - Electromagnetic base drill with intermittent feed (1992-02-11),
9. 5035549 - Boring apparatus (1991-07-30),
10. 5035547 - Magnet base drill unit (1991-07-30),
11. 5007776 - Controller for boring apparatus (1991-04-16),
12. 4824299 - Chip breaking device for annular cutters (1989-04-25),
13. 4789274 - Boring apparatus (1988-12-06),
14. 4780654 - Control apparatus for drilling machine (1988-10-25),
15. 4767245 - Annular hole cutter (1988-08-30),

Title: Michihiro Shoji: Innovator in Hydraulic Control Systems

Introduction

Michihiro Shoji is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of hydraulic control systems, holding a total of 16 patents. His innovative designs have enhanced the functionality and efficiency of various machinery.

Latest Patents

One of his latest patents is a hydraulic driven tool controlling apparatus. This invention features a one-shot multivibrator circuit that activates a self-hold circuit, allowing for continuous operation until reset. The design includes a mechanism that prevents the ram from restarting when the start switch is continuously pressed, thereby improving operational safety. Another notable patent is a control device for a boring machine, which showcases his expertise in hydraulic systems.

Career Highlights

Michihiro Shoji has been instrumental in advancing hydraulic technology through his work at Nitto Kohki Co., Ltd. His inventions have not only contributed to the company's success but have also set new standards in the industry.

Collaborations

Throughout his career, Shoji has collaborated with talented individuals such as Toshio Mikiya and Osamu Asano. These partnerships have fostered innovation and have led to the development of cutting-edge technologies.

Conclusion

In summary, Michihiro Shoji is a distinguished inventor whose work in hydraulic control systems has made a lasting impact on the industry. His numerous patents reflect his commitment to innovation and excellence in engineering.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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