Company Filing History:
2 out of 24 
1 out of 4 Years Active: 1976
Title: Hachiro Tadenuma: Innovator in Metal Working Lubricants
Introduction
Hachiro Tadenuma is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of metal working lubricants, holding two patents that showcase his innovative approach to enhancing metal processing techniques.
Latest Patents
Tadenuma's latest patents include a formulation for water-soluble metal working lubricants. This lubricating composition comprises about 10 to 60% by weight of a water-soluble non-ionic surfactant component. Additionally, he developed a reducing hot rolling oil for copper and copper alloys, which consists of 1000 parts by weight of water, 6 to 200 parts by weight of at least one member selected from carboxylic acid type, sulfate type, and phosphate type anionic surface active agents, and 0.8 to 200 parts by weight of at least one hydroxyl group-containing compound. This rolling oil provides copper and copper alloys with lubricity, oxide film removing ability, and oxide film formation preventing ability during the hot rolling process.
Career Highlights
Throughout his career, Tadenuma has worked with prominent companies such as Toho Chemical Industry Co., Ltd. and Nippon Light Metal Research Laboratory Ltd. His work has significantly impacted the development of effective lubricants for metal working applications.
Collaborations
Tadenuma has collaborated with notable coworkers, including Takashi Kato and Ryoji Kaneda. Their combined expertise has contributed to advancements in the field of metal working lubricants.
Conclusion
Hachiro Tadenuma's innovative contributions to metal working lubricants have established him as a key figure in this industry. His patents reflect a commitment to improving metal processing techniques, benefiting various applications in manufacturing.