Company Filing History:

18 out of 42,508

Hitachi, Ltd.

patents

1 out of 3,781

Renesas Technology Corp.

patents

Years Active: 1976-2004

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19 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6806130 - Process for manufacturing a semiconductor wafer, a semiconductor wafer, process for manufacturing a semiconductor integrated circuit device, and semiconductor integrated circuit device (2004-10-19),

2. 6630375 - Process for manufacturing a semiconductor wafer, a semiconductor wafer, process for manufacturing a semiconductor integrated circuit device, and semiconductor integrated circuit device (2003-10-07),

3. 6368905 - Process for manufacturing a semiconductor wafer, a semiconductor wafer, process for manufacturing a semiconductor integrated circuit device, and semiconductor integrated circuit device (2002-04-09),

4. 6043114 - Process for manufacturing a semiconductor wafer, a semiconductor wafer, (2000-03-28),

5. 4514894 - Semiconductor integrated circuit device manufacturing method (1985-05-07),

6. 4365263 - Semiconductor integrated circuit device composed of insulated gate (1982-12-21),

7. 4240151 - Semiconductor read only memory (1980-12-16),

8. 4235010 - Semiconductor integrated circuit device composed of insulated gate (1980-11-25),

9. 4183093 - Semiconductor integrated circuit device composed of insulated gate (1980-01-08),

10. 4161664 - Input circuit (1979-07-17),

11. 4145701 - Semiconductor device (1979-03-20),

12. 4019070 - Circuit for setting an initial state after connection of a power supply (1977-04-19),

13. 4015219 - Electronic circuit using field effect transistor with compensation means (1977-03-29),

14. 4008406 - Electronic circuit using field effect transistor with compensation means (1977-02-15),

15. 3991326 - MISFET switching circuit for a high withstand voltage (1976-11-09),

Title: Hiroto Kawagoe: Innovator in Semiconductor Technology

Introduction

Hiroto Kawagoe is a notable inventor based in Kodaira, Japan. With an impressive portfolio of 19 patents, he has contributed significantly to the field of semiconductor technology.

Latest Patents

Among his latest innovations are a process for manufacturing a semiconductor wafer, a semiconductor wafer itself, a process for manufacturing a semiconductor integrated circuit device, and the semiconductor integrated circuit device. His patent details a method wherein over the principal surface of a semiconductor substrate body containing an impurity of a predetermined conduction type, an epitaxial layer is formed. This layer contains an impurity matching the conduction type of the former impurity at a similar concentration. Following this, a well region is established with the same conduction type as the impurity, where the impurity concentration is gradually lowered depthwise through the epitaxial layer. This well region is essential for forming the gate insulating films of Metal-Insulator-Semiconductor Field-Effect Transistors (MISFETs).

Career Highlights

Hiroto has an impressive career, having worked with prominent companies such as Hitachi, Ltd. and Renesas Technology Corporation. His experience and expertise in the semiconductor industry are reflected in his innovative contributions.

Collaborations

During his career, Hiroto Kawagoe has collaborated with esteemed colleagues such as Kosei Nomiya and Tatsumi Shirasu. Their combined efforts have contributed to advancing semiconductor technologies and enhancing performance in electronic devices.

Conclusion

Hiroto Kawagoe stands out as a pioneer in semiconductor innovation. His extensive patent portfolio reflects his commitment to advancing technology and his ability to develop processes and devices that significantly impact the semiconductor industry.

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