Kenji Kumamaru

Title: Kenji Kumamaru: Innovator in Liquid Ejection Technology

Introduction

Kenji Kumamaru is a notable inventor based in Urayasu, Japan. He has made significant contributions to the field of liquid ejection technology. His innovative work has led to the development of a patented process that enhances the efficiency of liquid ejection heads.

Latest Patents

Kumamaru holds a patent for "Processes for producing substrate for liquid ejection head." This process involves creating a substrate that includes a liquid supply port passing through a silicon substrate by dry etching. The method consists of sequentially repeating several steps, including forming an etching protection film, removing a portion of this film, and etching the silicon substrate. Notably, the sheath formed during the process is thicker than that formed in the subsequent etching step. He has 1 patent to his name.

Career Highlights

Kenji Kumamaru is associated with Canon Kabushiki Kaisha, a leading company in imaging and printing technology. His work at Canon has allowed him to focus on advancing liquid ejection systems, which are crucial for various applications, including inkjet printing.

Collaborations

Kumamaru has collaborated with esteemed colleagues such as Toshiyasu Sakai and Masataka Kato. Their combined expertise has contributed to the development of innovative technologies in their field.

Conclusion

Kenji Kumamaru's contributions to liquid ejection technology exemplify the impact of innovative thinking in engineering. His patented processes continue to influence advancements in the industry.