Koji Shimizu

This inventor holds 54 USPTO granted patents and 4 published patent applications and 1 EPO patent, primarily in Image Forming Apparatus (CPC class G06F). Top assignees: Canon Kabushiki Kaisha, Dai Nippon Printing Co., Ltd., Kabushiki Kaisha Ohara. Active years: 1997-2024.

USPTO Granted Patents = 54 (Patent Applications = 4)

% Patents Active = 57.4

EPO Patents = 1 (Patent Applications = 3)

Average Co-Inventor Count = 2.1

ph-index = 10

Forward Citations = 426(Granted Patents)

Forward Citations (Not Self Cited) = 411(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Omiya, JP (2001)
Tokyo-To, JP (2000 - 2003)
Ibaraki, JP (2005)
Yokohama, JP (2008 - 2009)
Kanagawa, JP (2008 - 2012)
Shinjuku-Ku, JP (2002 - 2013)
Sagamihara, JP (2006 - 2013)
Matsumoto, JP (2010 - 2013)
Kitakyushu, JP (2014)
Tokyo, JP (1997 - 2020)
Nagano, JP (2009 - 2020)
Fukuoka, JP (2013 - 2021)
Shiojiri, JP (2024)

Company Filing History:

17 out of 92,842

Canon Kabushiki Kaisha

patents

8 out of 3,208

Dai Nippon Printing Co., Ltd.

patents

6 out of 103

Kabushiki Kaisha Ohara

Mitsui High-Tec Incorporated

patents

6. 3 out of 169

Epson Imaging Devices Corporation

Seiko Epson Corporation

13. 1 out of 834,411

Other

patents

where one patent can have more than one assignee

Years Active: 1997-2024

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Areas of Expertise:

Image Forming Apparatus

Optical Glass

Semiconductor Devices

Display Device

Electro-Optical Device

Lead Frame

Bubble Generator

Multifunction Machine

Information Processing

Battery Case

Manufacturing Method

Recording Medium

54 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12157652 - Printing device (2024-12-03),

2. 12084301 - Multifunction machine, maintenance method of multifunction machine, and manufacturing method of multifunction machine (2024-09-10),

3. 10903146 - Electrode connection structure, lead frame, and method for forming electrode connection structure (2021-01-26),

4. 10696054 - Recording apparatus, liquid storage unit, and medium accommodation unit (2020-06-30),

5. 10599507 - Semiconductor apparatus and display apparatus (2020-03-24),

6. 10435877 - Flush toilet and bubble generation unit (2019-10-08),

7. 10435876 - Bubble generator and flush toilet (2019-10-08),

8. 9934748 - Display device, display method, and electronic device (2018-04-03),

9. 9782959 - Manufacturing method for laminated iron core (2017-10-10),

10. 9685135 - Display device, display method, and electronic device (2017-06-20),

11. 9571673 - Image forming apparatus with controlled activation based on port number and control method thereof (2017-02-14),

12. 9495922 - Display device, display method, and electronic device (2016-11-15),

13. 9245218 - Image forming apparatus, control method of image forming apparatus and storage medium (2016-01-26),

14. 9152217 - Information processing apparatus configured to shift between plurality of power modes and reduce the time taken to return to a standby state (2015-10-06),

15. 9147646 - Lead frame, method for manufacturing lead frame and semiconductor device using same (2015-09-29),

Title: Koji Shimizu: Innovator in Printing Technology

Introduction

Koji Shimizu, based in Tokyo, Japan, is a distinguished inventor known for his contributions to printing technology. With an impressive portfolio of 54 patents, Shimizu stands out as a significant figure in the evolution of multifunction machines and printing devices.

Latest Patents

Shimizu's latest patents reflect his innovative approach to enhancing printing technology. One of his notable inventions is a sophisticated printing device that includes a recording portion for performing recordings on a medium, along with various components such as a discharge tray and dual detectors for load capacity monitoring. This device features an intelligent controller which executes processing based on the load detected, demonstrating a blend of automation and functionality.

Additionally, he has developed a multifunction machine that showcases a meticulously designed main body frame comprising first and second frames, wherein a recording head is strategically placed between them. This machine optimizes the recording and ejection processes while ensuring that components are efficiently positioned to enhance performance.

Career Highlights

Koji Shimizu has built a reputable career by working with industry-leading companies such as Canon Inc. and Dai Nippon Printing Co., Ltd. His expertise in the field is reflected in his numerous patents that have contributed to the advancement of printing technologies and multifunction devices, solidifying his status as a leading inventor in the sector.

Collaborations

Throughout his career, Shimizu has collaborated with talented professionals including Kohei Asano and Kazuyoshi Hayashi. Their collective efforts have undoubtedly fostered innovation and propelled advancements in the design and functionality of printing machines.

Conclusion

Koji Shimizu's influence in the realm of printing devices and multifunction machines is marked by a significant number of patents and collaborative efforts with esteemed colleagues. His innovative creations continue to shape the printing industry, making him a prominent figure in the landscape of technology and invention.