Kanagawa, Japan

Toshiya Kojima

USPTO Granted Patents = 56 


Average Co-Inventor Count = 1.6

ph-index = 7

Forward Citations = 185(Granted Patents)

Forward Citations (Not Self Cited) = 184(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Ashigara-Kami-Gun, JP (2009)
  • Kaiseimachi, JP (2011)
  • Kanagawa, JP (1999 - 2012)
  • Kanagawa-ken, JP (2009 - 2012)

Company Filing History:


Years Active: 1999-2012

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Areas of Expertise:
Liquid Ejection Apparatus
Image Forming Apparatus
Inkjet Recording Apparatus
Droplet Ejecting Apparatus
Wiring Substrate
Nozzle Plate
Electric Paper Reading System
Maintenance Method
Discharge Defect Determination
Liquid Supply Method
Image Display System
Bubble-Eliminating Method
56 patents (USPTO):Explore Patents

Title: Toshiya Kojima: A Pioneer in Liquid Supply Technologies

Introduction

Toshiya Kojima is a prolific inventor located in Kanagawa, Japan, known for his significant contributions to innovative technologies with a remarkable portfolio of 56 patents. His work primarily focuses on the improvement of liquid supply apparatuses and image forming technologies, showcasing his expertise in mechanical engineering and material sciences.

Latest Patents

Kojima's most recent patents include advancements in liquid supply apparatuses and image forming apparatuses. The liquid supply apparatus features a main tank for liquid storage and a unique sub-tank positioned above a recording head, featuring a deformable member that alters its volume based on liquid levels. This design optimizes the flow of liquid through a first channel connecting the main tank to the sub tank and a second channel leading to the recording head. Moreover, his innovation incorporates a flow rate determination device for accurate liquid measurement and dual pressure control mechanisms to maintain optimal conditions within both tanks.

Another of his latest inventions is the image forming apparatus, which includes a correction device aimed at rectifying image defects. This system consists of a recording head with multiple elements, an intermediate transfer medium for temporary image storage, and an image defect determination device to assess the quality of the recorded image. If any defects are detected, the apparatus generates corrective data to record an improved version of the image, ensuring high-quality output.

Career Highlights

Throughout his career, Toshiya Kojima has contributed significantly to leading companies such as Fujifilm Corporation and Fuji Photo Film Company, Limited. His roles within these organizations allowed him to spearhead research and development projects focusing on innovative imaging technologies and fluid dynamics.

Collaborations

Kojima's collaborative spirit is evident in his work alongside talented individuals such as Gentaro Furukawa and Seiichiro Oku. Their combined efforts have led to several successful innovations in the field of image processing and liquid management, enhancing the overall functionality and reliability of imaging systems.

Conclusion

Toshiya Kojima stands out as a key figure in the realm of technological innovation, with a particularly strong focus on liquid supply and image forming systems. His extensive patent portfolio and collaborative efforts reflect a commitment to advancing technology and improving user experiences in various applications. As he continues to innovate, his contributions are expected to leave a lasting impact on industries reliant on high-quality image processing and liquid management technologies.

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