Toshio Honma

Title: Toshio Honma and His Patent for Preparing Lead Compounds.

Introduction

Toshio Honma is an inventor associated with Tsuruoka, Japan. His recorded patent work concerns a process designed to prepare lead compounds while reducing unwanted coloration in the resulting products.

Latest Patents

The available information lists one patent for Honma: “Process for Preparation of Lead Compounds.” The invention describes reacting wet-method lead monoxide with an inorganic or organic acid in the presence of hydroxylamine, under conditions where the reaction system’s initial pH is no higher than 7. Although wet-method lead monoxide reacts readily with acids, it can contain higher oxides, including lead dioxide and minium, that discolor lead compound products. The disclosed process is intended to prevent this undesirable coloration.

Career Highlights

Honma is associated with Mizusawa Kagaku Kozyo Kabushiki Kaisha. His listed patent reflects work on improving the preparation of lead compounds by addressing a product-quality issue arising from impurities in the starting material.

Collaborations

Yujiro Sugahara and Hiroyuki Naito are identified as Honma’s coworkers. The available information does not specify their roles in the patent.

Conclusion

Toshio Honma’s recorded contribution is a patent for preparing lead compounds with a process intended to limit discoloration, representing a focused innovation in chemical manufacturing.