Company Filing History:

12 out of 42,485

Hitachi, Ltd.

patents

1 out of 248

Hitachi Car Engineering Co., Ltd.

patents

1 out of 832,680

Other

patents

where one patent can have more than one assignee

Years Active: 1988-2005

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13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6844640 - Electrical equipment for mounting on vehicles, electrical machines, and manufacturing methods of the same (2005-01-18),

2. 6460428 - Starter device for starting automobile use engine (2002-10-08),

3. 6378479 - Starting system for internal combustion engine (2002-04-30),

4. 6028381 - Starter equipped with current interruption mechanism (2000-02-22),

5. 6006618 - Starter motor with rear bracket elements fixed by through-bolts (1999-12-28),

6. 5969458 - Permanent magnetic field starter motor (1999-10-19),

7. 5644171 - Starter having an elastic seal member shaped to taper in a direction (1997-07-01),

8. 5619088 - Revolving armature for rotary electric machinery (1997-04-08),

9. 5587619 - Rotary armature and method of forming armature coil (1996-12-24),

10. 5367913 - Pinion shift device for starter and assembly method of the same (1994-11-29),

11. 5231307 - Starter for starting internal combustion engine (1993-07-27),

12. 4879486 - Permanent-magnet generator used for an ignition device of an internal (1989-11-07),

13. 4747761 - Silencer-carrying rotary vane pump (1988-05-31),

Title: Shigeru Yumiyama: Innovator in Electrical Equipment and Automotive Technology

Introduction

Shigeru Yumiyama is a notable inventor based in Hitachinaka, Japan. He has made significant contributions to the fields of electrical equipment and automotive technology. With a total of 13 patents to his name, Yumiyama's work has had a lasting impact on vehicle design and functionality.

Latest Patents

Yumiyama's latest patents include innovative designs for electrical equipment intended for mounting on vehicles and electrical machines. One of his key inventions focuses on a rust-prevention film that protects vehicles from red rust, even when the outer surface of the magnetic core housing is damaged. This technology involves a multi-layer coating process that includes a metal plated layer, chromate film, and organic resin coating. Another significant patent is for a starter device designed for automobile engines. This invention integrates an intermediate anchoring bracket for a manipulation cable, enhancing the positional accuracy between the anchoring point and the actuation point, thereby improving the overall performance of the automobile transmission mechanism.

Career Highlights

Throughout his career, Shigeru Yumiyama has worked with prominent companies such as Hitachi, Ltd. and Hitachi Car Engineering Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in automotive technology.

Collaborations

Yumiyama has collaborated with talented individuals in his field, including coworkers Atsushi Saeki and Kazuyuki Mori. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Shigeru Yumiyama's contributions to electrical equipment and automotive technology demonstrate his innovative spirit and dedication to improving vehicle performance. His patents reflect a commitment to addressing real-world challenges in the automotive industry.

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Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.