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% Expired Patents = 12.5

Forward Citations = 114

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9 inventors (with patents filed for the assignee):

Hiroyuki Gotoh (2 out of 3 patents)

Hiromichi Atsuumi (1 out of 69 patents)

Hiroshi Koizumi (1 out of 62 patents)

4. Yoshinori Hayashi (1 out of 140 patents)

5. Koji Masuda (1 out of 80 patents)

6. Tohru Suganuma (1 out of 16 patents)

7. Soichi Nakamura (1 out of 1 patent)

8. Seizo Suzuki (1 out of 93 patents)

9. Naoki Wakasugi (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. 8310960 - Communication apparatus, method for controlling communication apparatus, communication system, program and medium (2012-11-13),

2. 6496214 - Image forming elements array, and optical printing head and image forming apparatus using the array (2002-12-17),

3. 6445482 - Optical scanning apparatus (2002-09-03),

4. 6417509 - Optical scanning apparatus and image forming apparatus (2002-07-09),

5. 6411393 - Apparatus and method of automatically delivering E-mail stored in mail server to arbitrary facsimile apparatus (2002-06-25),

6. 6319646 - Carrier for electrophotographic developer, method for manufacturing, developer, container including the developer, and image forming apparatus using the developer wherein the carrier satisfies the relationship 1.0&lE;C2/C1&lE;1.3 (2001-11-20),

7. 6038411 - Image forming apparatus having an intermediate transfer belt with (2000-03-14),

8. 5870649 - Image forming apparatus having an intermediate transfer belt with (1999-02-09),

Ricoh Technology Research, Inc. (RTRI) is the research and development arm of Ricoh Company, Ltd., dedicated to advancing imaging and communication technologies. With a focus on innovation and cutting-edge research, RTRI aims to create solutions to improve productivity and sustainability for businesses and individuals worldwide.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

8 Patents

#92 in Yokohama

#5,035 in Japan

Yokohama, Japan

Ricoh Technology Research, Inc.