Masanori Ohmi

This inventor holds 56 USPTO granted patents, primarily in Rotary Electric Machines (CPC class 290 ). Top assignees: Nippondenso Co., Ltd., Denso Corporation. Active years: 1991-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masanori Ohmi. Retrieved from https://idiyas.com/inventor/masanori-ohmi

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

USPTO Granted Patents = 56

% Patents Active = 89.3

Average Co-Inventor Count = 3.6

ph-index = 11

Forward Citations = 392(Granted Patents)

Forward Citations (Not Self Cited) = 348(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Anjyo, JP (1995 - 1997)
Anjou, JP (1999 - 2000)
Anjo, JP (1991 - 2007)
Gifu, JP (2009)

Company Filing History:

29 out of 3,252

Nippondenso Co., Ltd.

Years Active: 1991-2009

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Areas of Expertise:

Rotary Electric Machine

Automotive Starter

Planetary Gear

Manufacturing Method

Laminated Armature

Electromagnetic Switch

Idling Stop Engine

Multi-Layered Brush

Ventilation Passage

Oilless Bearing

Sound Insulation

Heat Dissipation

56 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7499801 - Vehicular navigation system (2009-03-03),

2. 7284314 - Method of manufacturing rotor of rotary electric machine (2007-10-23),

3. 7101299 - Starter with planetary reduction gear device (2006-09-05),

4. 7009322 - Rotor of rotary electric machine and method of manufacturing the rotor (2006-03-07),

5. 6992412 - Rotary electric machine having laminated armature core (2006-01-31),

6. 6932042 - Starter having pinion-rotation-restricting member for use in automotive vehicle (2005-08-23),

7. 6931953 - Starter having small diameter front housing for installation from transmission side (2005-08-23),

8. 6898839 - Multi-layered brush of rotary electric machine and method of manufacturing the same (2005-05-31),

9. 6838780 - Starter for an internal combustion engine (2005-01-04),

10. 6833778 - Electromagnetic switch and starter using the same (2004-12-21),

11. 6752111 - Engine starter (2004-06-22),

12. 6653807 - Starter control system for automotive vehicle (2003-11-25),

13. 6651603 - Engine starting method in idling stop condition (2003-11-25),

14. 6616562 - Planetary gear reduction mechanism having an oilless bearing (2003-09-09),

15. 6608394 - Starting system for vehicle (2003-08-19),

Title: The Innovative Mind of Masanori Ohmi

Introduction: Masanori Ohmi, a distinguished inventor based in Anjo, Japan, holds an impressive portfolio of 56 patents. His inventive contributions have advanced various industries, particularly in vehicular technology and electric machinery.

Latest Patents: Among his recent innovations is a sophisticated vehicular navigation system, which smartly determines the presence of a branching point along a guidance route near a guidance intersection. This system intelligently advises drivers when a lane change is required to ensure a smoother transition through intersections. Another notable patent details a method for manufacturing the rotor of a rotary electric machine. This innovative process involves forming a rotor core from a specially shaped material sheet that incorporates projections and recesses, optimizing the rotor's design and functionality.

Career Highlights: Throughout his career, Ohmi has worked with prominent companies such as Nippondenso Co., Ltd. and Denso Corporation. His experiences in these organizations have cultivated a wealth of knowledge, enabling him to make significant advancements in technology and engineering.

Collaborations: Masanori Ohmi has collaborated with esteemed colleagues, including Tsutomu Shiga and Nobuyuki Hayashi. Their combined expertise has contributed to the development of groundbreaking technologies and innovative solutions in their respective fields.

Conclusion: Masanori Ohmi's extensive collection of patents and his impactful contributions to technology showcase his role as a forward-thinking inventor. His work continues to influence advancements in vehicular navigation systems and electric machine manufacturing, underscoring the importance of innovation in modern society.

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]