Hirokatsu Bannai

Title: Hirokatsu Bannai: Inventor of an Aluminum Surface-Treatment Technology.

Introduction

Hirokatsu Bannai is an inventor associated with Tokyo, Japan. His work includes a patent for a protective surface-treatment coating system for aluminum and aluminum alloy materials. The available information lists 1 patent.

Latest Patents

Bannai’s listed patent is titled “Aluminum or Aluminum Alloy Material Having Surface Treatment Coating Film, and Method for Treating a Surface Thereof.” It describes an aluminum or aluminum alloy substrate covered by two protective layers. The first is a conversion coating containing vanadium and one or more of titanium, zirconium, or hafnium. The second is an organic coating that includes a chitosan derivative and solubilizing agent, modified polyvinyl alcohol, and a water-soluble crosslinking agent. The invention presents a layered approach to protecting aluminum surfaces.

Career Highlights

Bannai is associated with Nihon Parkerizing Co., Ltd. and Denso Corporation. The provided information does not specify his roles or the dates of his work with these companies.

Collaborations

His listed coworkers include Yoshiyuki Okamoto and Osamu Kasebe. The available details do not identify their specific contributions to the patent.

Conclusion

Hirokatsu Bannai’s listed patent focuses on combining conversion and organic coatings to protect aluminum and aluminum alloy surfaces. This work connects his inventor profile with companies including Nihon Parkerizing Co., Ltd. and Denso Corporation.