Yoshitsugu Hasumi

Title: Innovations by Yoshitsugu Hasumi

Introduction

Yoshitsugu Hasumi is a notable inventor based in Saitama, Japan. He has made significant contributions to the field of electronic commerce, holding a total of 3 patents. His work focuses on enhancing the security and efficiency of online transactions.

Latest Patents

One of Hasumi's latest patents is an "Electronic commercial transaction support method." This invention relates to an electronic-commerce assisting method capable of smoothly and securely conducting electronic commerce on a communication network. It includes a communication terminal for a person desiring to purchase a product, who connects to a cybershop on a communication network and wishes to use a credit card for the transaction. The electronic-commerce server determines whether the electronic commerce should be concluded based on the credit confirmation of the credit card. Additionally, an electronic-commerce assisting server requests the communication terminal to transmit unique number data within the IC card, converting it into a credit card number to generate credit limit data.

Another significant patent is the "Credit intermediary system, credit intermediary apparatus and method thereof, recording medium and program." This invention involves an affiliated store terminal that obtains a security code and cardholder's attribution information of a credit card. The authorization request is transmitted to a card company apparatus and further to a card issuing company apparatus through an intermediary center apparatus. The card company apparatus executes the authorization process and returns the result to the affiliated store terminal.

Career Highlights

Yoshitsugu Hasumi is currently employed at Sony Corporation, where he continues to innovate in the field of electronic commerce. His work has been instrumental in developing secure transaction methods that benefit both consumers and businesses.

Collaborations

Hasumi has collaborated with notable coworkers such as Keiji Shiotani and Toru Kuwahara, contributing to various projects that enhance electronic commerce technologies.

Conclusion

Yoshitsugu Hasumi's contributions to electronic commerce through his patents demonstrate his commitment to improving online transaction security and efficiency. His work at Sony Corporation and collaborations with other innovators highlight his significant role in the advancement of technology in this field.