Shin Hasegawa

This inventor holds 101 USPTO granted patents and 7 published patent applications, plus 1 CIPO patent and 15 EPO patents, primarily in Inkjet Technology (CPC class 355208). Top assignees: Ricoh Company, Ltd., Canon Kabushiki Kaisha, Sony Corporation. Active years: 1993-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shin Hasegawa. Retrieved from https://idiyas.com/inventor/shin-hasegawa

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 101 (Patent Applications = 7)

% Patents Active = 51.5

CIPO Patents = 1

EPO Patents = 15 (Patent Applications = 18)

Average Co-Inventor Count = 4.1

ph-index = 14

Forward Citations = 656(Granted Patents)

Forward Citations (Not Self Cited) = 495(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Chiba, JP (1996 - 2007)
Chiba-ken, JP (2007)
Numazu, JP (2004 - 2012)
Zama, JP (2009 - 2013)
Shizuoka, JP (2012 - 2018)
Hadano, JP (2007 - 2019)
Kawasaki, JP (1993 - 2020)
Kanagawa, JP (2009 - 2020)
Tokyo, JP (2003 - 2022)

Company Filing History:

Canon Kabushiki Kaisha

Mitsubishi Denki Kabushiki Kaisha

Renesas Electronics Corporation

patents

Years Active: 1993-2025

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Areas of Expertise:

Ink Composition

Image Forming Method

Ink Set

Curable Ink

Image Display Device

Toner

Electronic Component

Optical Sensor

Measurement Apparatus

Recording Method

Image Pickup Module

Printing Apparatus

101 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12497527 - Ink, image forming apparatus, and image forming method (2025-12-16),

2. 12281231 - Ink, ink set, ink container, recording method, and recording apparatus (2025-04-21),

3. 11401432 - Curable composition, accommodating unit, device for forming two or three dimensional image, method of forming two or three dimensional image, and cured matter (2022-08-02),

4. 11370932 - Curable composition, accommodating unit, device for forming two or three dimensional image, method of forming two or three dimensional image, and cured matter (2022-06-28),

5. 11332629 - Curable clear ink composition, storing container, ink set, printing method, printed matter, and cured material (2022-05-17),

6. 11091576 - Active energy ray-curable composition, active energy ray-curable inkjet ink, composition storage container, inkjet discharging apparatus, and cured product (2021-08-17),

7. 10965731 - Transfer device, client apparatus, server apparatus, reproduction apparatus and transfer method (2021-03-30),

8. 10670980 - Toner, developer, and image forming apparatus (2020-06-02),

9. 10663736 - Image display device and display apparatus (2020-05-26),

10. 10571852 - Image forming apparatus (2020-02-25),

11. 10534172 - Display apparatus (2020-01-14),

12. 10527859 - Image display device and display apparatus (2020-01-07),

13. 10381399 - Semiconductor device (2019-08-13),

14. 10289360 - Information processing apparatus, control method and recording medium (2019-05-14),

15. 10202572 - Culture container, culture observation apparatus and culture observation method (2019-02-12),

Title: Innovations of Shin Hasegawa: A Pioneer in Active-Energy-Ray-Curable Inks

Introduction

Shin Hasegawa, a prominent inventor based in Kanagawa, Japan, has made significant contributions to the field of printing technology through his extensive work in the development of inks and recording apparatuses. With a remarkable portfolio of 100 patents, Hasegawa has established himself as a leading figure in innovative ink solutions.

Latest Patents

Among Hasegawa's latest patents are several breakthrough inventions related to ink and recording technologies. One notable patent describes an active-energy-ray-curable ink that includes a surface tension modifier. This ink comprises a monomer with a surface tension of 39 mN/m or greater, maintained within a precise range of 20% to 60% by mass. Another significant invention is a curable composition that consists of a polymerizable compound and a polymerization initiator, specifically designed to achieve optimal performance in ink applications. The supernatant of this curable composition demonstrates exceptional clarity and absorbance properties when subjected to centrifugation.

Career Highlights

Hasegawa's illustrious career includes notable tenures at leading companies in the printing and imaging sectors, including Ricoh Company, Ltd. and Canon Kabushiki Kaisha. His experience at these organizations has allowed him to innovate and refine various technologies that have paved the way for advancements in printing applications.

Collaborations

Throughout his career, Hasegawa has collaborated with talented professionals such as Kohta Fujimori and Kayoko Tanaka. These partnerships have resulted in groundbreaking developments and further enhanced the capabilities of ink technology.

Conclusion

Shin Hasegawa's dedication to innovation in the realm of inks and recording methodologies positions him as a key inventor in the industry. With a wealth of patents to his name and fruitful collaborations with industry professionals, Hasegawa continues to push the boundaries of technology, ensuring that the world of printing and imaging evolves with the times.

Profile summary based on public USPTO records.