Eiji Nakagawa

USPTO Granted Patents = 10 (Patent Applications = 1)

Average Co-Inventor Count = 2.1

ph-index = 4

Forward Citations = 48(Granted Patents)

Location History:

Ukyo-ku, JP (1998 - 1999)
Kyoto, JP (1987 - 2016)

Company Filing History:

Nissha Printing Co., Ltd.

where one patent can have more than one assignee

Years Active: 1987-2016

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10 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9252770 - Touch sensor and manufacturing method for the same, as well as transfer ribbon for touch sensor manufacturing (2016-02-02),

2. 7724047 - Semiconductor integrated circuit driving external FET and power supply incorporating the same (2010-05-25),

3. 7701684 - Power supply apparatus and power supply system including the same addressing abnormality (2010-04-20),

4. 6380771 - Method of driving power circuit and circuit therefor (2002-04-30),

5. 6303973 - Power transistor having large electric current capacity and semiconductor integrated circuit device using the same (2001-10-16),

6. 6025824 - Piezoelectric transformer driving circuit and cold cathode tube (2000-02-15),

7. 5939840 - Liquid crystal back light illuminating device and liquid crystal display (1999-08-17),

8. 5825251 - Audio signal amplifying circuit (1998-10-20),

9. 5770973 - Semiconductor device for amplifying audio signals (1998-06-23),

10. 4663192 - Production of transparent electrode substrate (1987-05-05),

Title: Eiji Nakagawa: Innovator in Touch Sensor Technology

Introduction

Eiji Nakagawa is a prominent inventor based in Kyoto, Japan. He has made significant contributions to the field of touch sensor technology, holding a total of 10 patents. His innovative work has paved the way for advancements in various electronic devices.

Latest Patents

Among his latest patents are a touch sensor and a manufacturing method for the same. This touch sensor includes a plurality of first electrode films and second electrode films arranged in different directions on a substrate. The manufacturing method involves a first transfer step using a transfer ribbon made of an insulating layer and an electrode-imparting layer. This method allows for the precise transfer of the electrode films onto the substrate. Another notable patent is for a semiconductor integrated circuit that drives an external FET and incorporates a power supply. This circuit features a switching control circuit with transistors that manage the FET's operation, ensuring efficient performance and protection against abnormalities.

Career Highlights

Eiji Nakagawa has worked with notable companies such as Rohm Co., Ltd. and Nissha Printing Co., Ltd. His experience in these organizations has contributed to his expertise in developing cutting-edge technologies.

Collaborations

Throughout his career, Nakagawa has collaborated with talented individuals, including Sachito Horiuchi and Masanori Fujisawa. These partnerships have fostered innovation and creativity in his projects.

Conclusion

Eiji Nakagawa's contributions to touch sensor technology and semiconductor integrated circuits highlight his role as a leading inventor in the field. His patents reflect a commitment to advancing technology and improving electronic devices.

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