Average Co-Inventor Count = 3.0

ph-index = 7

Forward Citations = 169(Granted Patents)

Location History:

Osaka, JA (1977)
Kadoma, JP (1980)
Nishinomiya, JP (1982)
Sakurai, JP (1990)
Suita, JP (2001)
YamatoKoriyama, JP (2003)
Yamatokooriyama, JP (2005)
Ibaraki, JP (2006)
Osaka, JP (2005 - 2010)
Kyoto, JP (2009 - 2010)

Company Filing History:

6 out of 27,375

Matsushita Electric Industrial Co., Ltd.

patents

5 out of 25,530

Sharp Kabushiki Kaisha Corporation

patents

2 out of 82

The Nippon Synthetic Chemical Industry Co., Ltd.

patents

Years Active: 1977-2010

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13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7831170 - Toner cartridge and image forming apparatus (2010-11-09),

2. 7754318 - Water-soluble film (2010-07-13),

3. 7601475 - Carrier and developing agent for electrophotography (2009-10-13),

4. 7067575 - Water-soluble film of polyvinyl alcohol (2006-06-27),

5. 6941085 - Transfer member cleaning method and image forming apparatus (2005-09-06),

6. 6842529 - Speaker (2005-01-11),

7. 6627371 - Apparatus and method for forming image (2003-09-30),

8. 6305491 - Speaker (2001-10-23),

9. 6212339 - Image forming apparatus with discharging exposure after shutdown (2001-04-03),

10. 4927998 - Apparatus for cooking by electric heating including means for providing (1990-05-22),

11. 4353432 - Electro-dynamic speaker (1982-10-12),

12. 4211898 - Headphone with two resonant peaks for simulating loudspeaker reproduction (1980-07-08),

13. 4058688 - Headphone (1977-11-15),

Title: Mitsuhiro Hasegawa: Innovator in Toner Technology and Water-Soluble Films

Introduction

Mitsuhiro Hasegawa is a prominent inventor based in Kyoto, Japan. He has made significant contributions to the fields of toner technology and water-soluble films. With a total of 13 patents to his name, Hasegawa's work has had a lasting impact on various industries.

Latest Patents

Hasegawa's latest patents include innovations such as a toner cartridge and an image forming apparatus. In one embodiment, the toner cartridge is designed to be installed in an image forming apparatus, featuring a toner storage container with a discharge port and a discharge roller that blocks this port. The inner wall of the container is uniquely shaped to match the curvature of the toner discharge roller. Another notable invention is a water-soluble film made from polyvinyl alcohol. This film dissolves in water at 20°C within 60 seconds and is designed to minimize coloration during formation and over time, even when exposed to chemicals.

Career Highlights

Throughout his career, Hasegawa has worked with notable companies such as Matsushita Electric Industrial Co., Ltd. and Sharp Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations.

Collaborations

Hasegawa has collaborated with talented individuals in his field, including Hiroyuki Takewa and Tomoyoshi Mizutani. These partnerships have fostered a creative environment that has led to the development of his innovative patents.

Conclusion

Mitsuhiro Hasegawa's contributions to toner technology and water-soluble films exemplify his dedication to innovation. His work continues to influence various industries, showcasing the importance of creativity and collaboration in the field of invention.

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