Kouji Kitahata

This inventor holds 13 USPTO granted patents and 4 published patent applications and 5 EPO patents. Top assignees: Jtekt Corporation, Koyo Seiko Company, Ltd., Kyodo Yushi Co., Ltd.. Active years: 1997-2015.

USPTO Granted Patents = 13 (Patent Applications = 4)

% Patents Active = 61.5

EPO Patents = 5 (Patent Applications = 6)

Average Co-Inventor Count = 4.1

ph-index = 3

Forward Citations = 35(Granted Patents)

Location History:

Osaka, JP (1997 - 2011)
Minamikawachi-gun, JP (2014 - 2015)

Company Filing History:

Koyo Seiko Company, Ltd.

patents

1 out of 89

Kyodo Yushi Co., Ltd.

patents

4. 1 out of 35

Nippon Polyurethane Industry Co., Ltd.

patents

where one patent can have more than one assignee

Years Active: 1997-2015

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13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9024496 - Rotor for motor and method of manufacturing the same (2015-05-05),

2. 8708089 - Vehicle steering apparatus (2014-04-29),

3. 8664949 - Resolver and resolver-rolling bearing unit (2014-03-04),

4. 8063002 - Rolling device and rolling device manufacturing method (2011-11-22),

5. 8039423 - Lubricant composition, speed reduction gear using the lubricant composition, and electric power steering apparatus using the speed reduction gear (2011-10-18),

6. 7709427 - Lubricant composition, speed reduction gear using the same, and electric power steering apparatus using the same (2010-05-04),

7. 7595095 - Coated article, manufacturing method therefor and coating apparatus (2009-09-29),

8. 7591341 - Noise reduction electric power steering apparatus (2009-09-22),

9. 7452850 - Lubricant composition and speed reducer using the same, and electrically operated power steering device using the same (2008-11-18),

10. 7048972 - Method for manufacturing coated article (2006-05-23),

11. 6446777 - One-way clutch (2002-09-10),

12. 6209409 - Housing structure for power steering system (2001-04-03),

13. 5694810 - Rack and pinion steering device (1997-12-09),

Title: Kouji Kitahata: Innovator in Motor Technology

Introduction

Kouji Kitahata is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of motor technology, holding a total of 13 patents. His innovative designs and methods have advanced the efficiency and performance of various mechanical systems.

Latest Patents

Among his latest patents is a "Rotor for motor and method of manufacturing the same." This invention involves heating and melting at least part of each bridge portion to form a keyhole, with a nonmagnetic element disposed around it. This design reduces leakage flux in the bridge portion, thereby increasing the output power of the motor. Additionally, by increasing the width of the bridge portion in the radial direction, the strength of the bridge is enhanced, preventing breakage due to centrifugal force during high-speed rotation. Another notable patent is the "Vehicle steering apparatus," which includes an actuator that generates a steering force, connected to a series of speed reduction mechanisms and a steering mechanism. This innovative design improves the functionality and responsiveness of vehicle steering systems.

Career Highlights

Kouji Kitahata has worked with notable companies such as Jtekt Corporation and Koyo Seiko Company, Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking technologies in the automotive and motor industries.

Collaborations

Throughout his career, Kitahata has collaborated with talented individuals, including Naoki Uchida and Takeshi Tojo. These partnerships have fostered a creative environment that has led to the development of innovative solutions in motor technology.

Conclusion

Kouji Kitahata's contributions to motor technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence advancements in mechanical systems, showcasing the importance of innovation in engineering.