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Ricoh Elemex Corporation

USPTO Granted Patents = 34

% Expired Patents = 41.2

EPO Patents = 7

Forward Citations = 913

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48 inventors (with patents filed for the assignee):

Kazumasa Ito (15 out of 17 patents)

Hirotaka Hayashi (6 out of 16 patents)

Masaki Ohbayashi (5 out of 5 patents)

4. Yukito Sato (4 out of 13 patents)

5. Hiroyoshi Shoji (4 out of 5 patents)

6. Toshio Makino (4 out of 4 patents)

7. Shoji Koike (4 out of 4 patents)

8. Jun-ichi Yoshida (4 out of 4 patents)

9. Morimasa Kaminishi (3 out of 23 patents)

10. Junichi Azumi (3 out of 17 patents)

11. Toru Kurihara (3 out of 3 patents)

12. Takayuki Yamaguchi (3 out of 13 patents)

13. Shigeru Ando (2 out of 27 patents)

14. Hiroyuki Satou (2 out of 3 patents)

15. Toshiyuki Imai (2 out of 2 patents)

Core Competencies:

Inkjet Recording

Liquid Discharge Detection

Inspection System

Flow Sensor

Oral Cavity Device

Calibration Method

Thin-Film Microstructure

Merchandise Planning

Shredding Control

Temperature-Sensitive Resistor

Writing Board

Head Washing Device

34 patents: Sort by Forward Citations

1. 10775316 - Inspection system and inspection method (2020-09-15),

2. 10739272 - Inspection system and inspection method (2020-08-11),

3. 10724960 - Inspection system and inspection method (2020-07-28),

4. 9604298 - Method of manufacturing screw thread and screw thread (2017-03-28),

5. 8366234 - Inkjet recording apparatus (2013-02-05),

6. 8220895 - Liquid-discharge-failure detecting apparatus, inkjet recording apparatus, and method of detecting liquid discharge failure (2012-07-17),

7. 7942494 - Liquid-discharge-failure detecting apparatus, and inkjet inkjet recording apparatus (2011-05-17),

8. 7862141 - Liquid-discharge-failure detecting apparatus and inkjet recording apparatus (2011-01-04),

9. 7845752 - Liquid-discharge-failure detecting apparatus and inkjet recording apparatus (2010-12-07),

10. 7815280 - Liquid-discharge-failure detecting apparatus and inkjet recording apparatus (2010-10-19),

11. 7702534 - Merchandise planning and development system and method for the same, and a computer product (2010-04-20),

12. 7646678 - Analog watch (2010-01-12),

13. D569741 - Watch (2008-05-27),

14. 7008225 - Tooth brusher (2006-03-07),

15. 6918764 - Oral cavity cleaning device (2005-07-19),

Ricoh Elemex Corporation, based in Aichi, Japan, specializes in advanced manufacturing and development of electronic components and systems. The company focuses on innovative technologies in areas such as imaging, printing, and information processing, contributing to various industries including office automation and industrial applications. With a commitment to quality and sustainability, Ricoh Elemex plays a significant role in enhancing productivity and efficiency through its cutting-edge solutions.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

Ricoh Elemex Corporation

34 Patents

#45 in Aichi

#2,166 in Japan

#19,594 in the World

Ricoh Elemex Corporation

Forward Citations = 913

48 inventors:

Kazumasa Ito (15 out of 17 patents)

Hirotaka Hayashi (6 out of 16 patents)

Masaki Ohbayashi (5 out of 5 patents)

4. Yukito Sato (4 out of 13 patents)

5. Hiroyoshi Shoji (4 out of 5 patents)

Please report any incorrect information to [email protected]

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