Company Filing History:

8 out of 25,537

Sharp Kabushiki Kaisha Corporation

patents

1 out of 195

The Kansai Electric Power Co., Inc.

patents

where one patent can have more than one assignee

Years Active: 1993-2002

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8 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6448489 - Solar generation system (2002-09-10),

2. 6172889 - Inverter apparatus islanding operation detecting method and inverter apparatus capable of surely detecting an islanding operation with a simple construction (2001-01-09),

3. 5914866 - Device and method for controlling inverter performing feedback control (1999-06-22),

4. 5719758 - Inverter control method and inverter apparatus using the method (1998-02-17),

5. 5668713 - Inverter control method and inverter control device performing feedback (1997-09-16),

6. 5625539 - Method and apparatus for controlling a DC to AC inverter system by a (1997-04-29),

7. 5493155 - Electric power supply system (1996-02-20),

8. 5181160 - Driving circuit for inverter microwave oven (1993-01-19),

Title: Hirokazu Kodama: Innovator in Solar Technology

Introduction

Hirokazu Kodama is a prominent inventor based in Gojo, Japan. He has made significant contributions to the field of solar technology, holding a total of 8 patents. His innovative work focuses on enhancing the efficiency and reliability of solar energy systems.

Latest Patents

Kodama's latest patents include a solar generation system that integrates both standard and substandard solar cell strings. This system boosts the DC voltage output from the substandard string to match that of the standard string, allowing for effective power supply to a utility grid through a DC/AC inverter. Another notable patent is an inverter apparatus islanding operation detecting method. This method ensures reliable detection of islanding operations by applying a distortion to the inverter output waveform, generating a frequency variation that facilitates detection even under challenging conditions.

Career Highlights

Throughout his career, Hirokazu Kodama has worked with notable companies such as Sharp Corporation and Kansai Electric Power Co., Inc. His experience in these organizations has allowed him to develop and refine his innovative ideas in solar technology.

Collaborations

Kodama has collaborated with esteemed colleagues, including Tsukasa Takebayashi and Hirofumi Nakata. These partnerships have contributed to the advancement of his projects and the successful implementation of his inventions.

Conclusion

Hirokazu Kodama's work in solar technology exemplifies the spirit of innovation and dedication to sustainable energy solutions. His patents and collaborations reflect his commitment to advancing the field and improving energy efficiency.

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