Takuji Tsujigawa

Title: Takuji Tsujigawa: Innovator in Information Technology

Introduction

Takuji Tsujigawa is a notable inventor based in Fukuoka, Japan. He has made significant contributions to the field of information technology, holding a total of 5 patents. His work primarily focuses on enhancing communication systems and data distribution methods.

Latest Patents

Tsujigawa's latest patents include an information terminal and information terminal system. This innovative information terminal incorporates a network interface and an extension interface. In the case of an outside call, an audio send signal is modulated into an audio signal frequency band and sent to the exchange through a private telephone line and a subscriber's line via the network interface. Additionally, an audio receive signal sent from the exchange is demodulated into an ordinary audio frequency band through the network interface. In extension service scenarios, an audio send signal is converted into a packetized digital signal by an extension interface circuit, modulated into a higher frequency band to avoid overlapping with the audio signal frequency band, and transmitted through the private telephone line.

Another significant patent involves a data terminal, data distribution system, and internet telephone system. This system allows for the selective determination and use of desired data, such as advertisements, for enjoying relevant services. The data terminal receives a summary of service data from a data provider apparatus over the Internet. If desired, it can demand the data provider apparatus to provide the service data over the Internet. The service data may be received in various forms, including audio, text, and video, and can include advertisement data, commercial product data, and entertainment data such as music, movies, and games.

Career Highlights

Throughout his career, Takuji Tsujigawa has worked with prominent companies, including Matsushita Electric Industrial Co., Ltd. and Panasonic Corporation. His experience in these organizations has contributed to his expertise in developing innovative technologies.

Collaborations

Tsujigawa has collaborated with notable coworkers, including Tomiya Miyazaki and Kazuo Yahiro. Their combined efforts have led to advancements in the field of information technology.

Conclusion

Takuji Tsujigawa's contributions to information technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the way we communicate and access information today.