Koji Horikawa

Title: Koji Horikawa: Inventor of an Inkjet Recording Device

Introduction

Koji Horikawa is an inventor associated with Hitachi Industrial Equipment Systems Co., Ltd. in Hitachi, Japan. His recorded patent concerns inkjet recording technology and the control of charged ink droplets.

Latest Patents

The available information identifies one patent associated with Horikawa: Inkjet Recording Device and Printing Head. The invention arranges nozzles orthogonally to the direction in which deflection electrodes steer droplets. A pair of charging electrodes charges ink ejected from each nozzle, and the resulting electric field deflects the droplets. The voltages applied to the electrodes and their timing can be adjusted independently. Horikawa is credited with 1 patent in the information provided.

Career Highlights

Horikawa’s documented patent work reflects an engineering focus on inkjet recording devices and printing-head control. The patent describes independently adjustable electrode voltages and timing, offering control over the charging and deflection of ink droplets.

Collaborations

Nobuhiro Harada and Takuya Moriai are identified as Horikawa’s coworkers. The available information does not specify their roles in the patent or describe particular collaborative projects.

Conclusion

Koji Horikawa’s recorded contribution is an inkjet recording device and printing-head invention that uses independently controlled charging and deflection to manage ink droplets.