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For the Inventor, By the Inventor

Shizuoka, Japan

Masashi Hasegawa

USPTO Granted Patents = 18


Average Co-Inventor Count = 5.2

ph-index = 10

Forward Citations = 437(Granted Patents)


Location History:

  • Numazu, JP (2007 - 2012)
  • Ohta-ku, JP (2012)
  • Shizuoka, JP (2004 - 2016)

Company Filing History:

goldMedal18 out of 28,544 
 
Ricoh Company, Ltd.
 patents

Years Active: 2004-2016

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18 patents (USPTO):Explore Patents
1. 9454099 - Toner container including a lid member pulled out in an inclined direction (2016-09-27),
2. 8973759 - Sieving device, sieving device for developing device, and powder-charging device (2015-03-10),
3. 8934816 - Sieve device, powder transporting unit, image forming apparatus, and method of transporting powder (2015-01-13),
4. 8929777 - Sieve device, supply unit, developing unit, image forming apparatus, and method of supplying toner particles (2015-01-06),
5. 8929776 - Nozzle, image forming apparatus, and method of deriving powder (2015-01-06),
6. 8532522 - Toner cartridge (2013-09-10),
7. 8244163 - Toner container and image forming apparatus (2012-08-14),
8. 8233818 - Inner cap for toner container and toner container (2012-07-31),
9. 8126375 - Toner container and image forming apparatus (2012-02-28),
10. 8050597 - Toner container having a gear portion and image forming apparatus (2011-11-01),
11. 7991334 - Toner container and image forming apparatus (2011-08-02),
12. 7853184 - Toner container and image forming apparatus (2010-12-14),
13. 7822371 - Toner container and image forming apparatus (2010-10-26),
14. 7706699 - Toner container and image forming apparatus (2010-04-27),
15. 7702262 - Toner container including a container body with a gripper at the end thereof, and associated method (2010-04-20),

Title: Masashi Hasegawa: Innovator in Imaging Technology

Introduction

Masashi Hasegawa is a prominent inventor based in Shizuoka, Japan. He has made significant contributions to the field of imaging technology, holding a total of 18 patents. His work primarily focuses on developing innovative solutions for toner containers and sieving devices.

Latest Patents

One of Hasegawa's latest patents is a toner container that includes a lid member pulled out in an inclined direction. This invention features a lid pulling mechanism that utilizes a hook to open a toner discharge opening. The mechanism pulls the lid member upward, reducing the distance between the lid and the bottle head section, which prevents air intake and the spread of toner. Another notable patent is a sieving device designed for developing devices and powder-charging applications. This device consists of a hollow cylindrical body, a filter at the bottom, and a rotating blade that stirs the powder, ensuring efficient sieving.

Career Highlights

Hasegawa is currently employed at Ricoh Company, Ltd., where he continues to innovate in imaging technology. His work has significantly impacted the efficiency and functionality of toner and powder handling in imaging devices.

Collaborations

Throughout his career, Hasegawa has collaborated with notable colleagues, including Seiji Terazawa and Hideo Yoshizawa. These collaborations have further enhanced the development of innovative technologies in their field.

Conclusion

Masashi Hasegawa's contributions to imaging technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence advancements in toner and powder handling solutions.

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