Hiroyuki Tatsumi

Title: Hiroyuki Tatsumi: Innovator in Lubricant Composition and Error-Correcting Code

Introduction

Hiroyuki Tatsumi is a notable inventor based in Tokyo, Japan. He has made significant contributions to the fields of lubricant compositions and error-correcting codes. With a total of 2 patents, his work reflects a commitment to innovation and technological advancement.

Latest Patents

One of Tatsumi's latest patents is a lubricant composition that includes a base oil and a fluorine compound, designed to improve cooling performance. The base oil may consist of mineral oil and has a kinematic viscosity ranging from 1 to 25 mm/s at 40° C. The fluorine compound's content is specified to be between 3 to 30% by weight based on the total composition. Another significant patent is for a decoder for error-correcting code data. This invention features an error-correcting decoder that blocks the correction of bits received during periods of high signal intensity. It utilizes a syndrome register and decision circuit to provide error-correcting bits for data determined to be in error, focusing on correcting only those bits that occur during low signal intensity levels.

Career Highlights

Throughout his career, Hiroyuki Tatsumi has worked with prominent companies such as Nippon Electric Co., Ltd. and Idemitsu Kosan Company, Limited. His experience in these organizations has contributed to his expertise and innovative capabilities in his field.

Collaborations

Tatsumi has collaborated with notable coworkers, including Takakuni Kuki and Yasuhito Nakahara. These partnerships have likely fostered a creative environment that encourages the development of groundbreaking technologies.

Conclusion

Hiroyuki Tatsumi's contributions to lubricant compositions and error-correcting codes highlight his role as an influential inventor. His patents reflect a dedication to enhancing performance and reliability in technology.