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Ito En, Ltd.

USPTO Granted Patents = 28

CIPO Patents = 5

EPO Patents = 3

Trademarks = 16

Forward Citations = 98

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63 inventors (with patents filed for the assignee):

Masami Sasame (9 out of 9 patents)

Hitoshi Kinugasa (8 out of 8 patents)

Takanobu Takihara (7 out of 7 patents)

4. Takami Kakuda (7 out of 7 patents)

5. Kazunori Okanoya (6 out of 6 patents)

6. Kenji Shimaoka (6 out of 6 patents)

7. Hitoshi Niino (4 out of 4 patents)

8. Ayumu Nozawa (4 out of 4 patents)

9. Iwao Sakane (4 out of 4 patents)

10. Akio Sugimoto (3 out of 3 patents)

11. Yasuhiko Ikegawa (3 out of 3 patents)

12. Yuko Sagesaka (3 out of 3 patents)

13. Izumi Kobayashi (2 out of 12 patents)

14. Keisuke Numata (2 out of 2 patents)

15. Fumio Ito (2 out of 2 patents)

Core Competencies:

Green Tea

Black Tea

Beverage Production

Extraction Method

Sugar Alcohols

Catechins

Caffeine

Vegetable Juice

Antibacterial Fiber

Xanthine Oxidase Inhibitor

Brassicaceous Vegetables

Concentration Enhancement

28 patents: Sort by Forward Citations

1. 9668495 - Green tea beverage with sugar alcohols and catechins and process packed in container (2017-06-06),

2. 8741371 - Tea leaves for extraction of green tea beverage (2014-06-03),

3. 8728557 - Fruit-juice-containing black tea beverage packed in a container and method for producing same (2014-05-20),

4. 8568811 - Method of manufacturing tea drink (2013-10-29),

5. 8529978 - Tea leaves for extraction of a green tea beverage (2013-09-10),

6. 8529977 - Green tea beverage packed in container (2013-09-10),

7. 8227042 - Method for producing wooden board (2012-07-24),

8. 7972644 - Bottleable green tea beverage (2011-07-05),

9. 7959965 - Instant green tea (2011-06-14),

10. 7927460 - Silver skin-containing paper and method for producing the same (2011-04-19),

11. 7682643 - Method for manufacturing containered green tea beverage (2010-03-23),

12. 7666452 - Beverage comprising cathechins and caffeine (2010-02-23),

13. 7635459 - Method of removing nitric acid from aqueous liquid and method of producing drinks (2009-12-22),

14. 7407680 - Method for manufacturing vegetable juice and the like with decreased nitrate ions (2008-08-05),

15. 7022367 - Oolong tea beverage and process of producing the same (2006-04-04),

Ito En, Ltd. is a prominent Japanese company specializing in the development and production of beverages, particularly green tea and other health-oriented drinks. The company is recognized for its commitment to quality and innovation in the beverage industry, leveraging advanced research in food science and nutrition. With a strong presence in both domestic and international markets, Ito En focuses on promoting healthy lifestyles through its diverse product offerings, which include ready-to-drink teas, bottled water, and functional beverages.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

28 Patents

#1,113 in Tokyo

#2,413 in Japan

#23,262 in the World

Ito En, Ltd.

Forward Citations = 98

63 inventors:

Masami Sasame (9 out of 9 patents)

Hitoshi Kinugasa (8 out of 8 patents)

Takanobu Takihara (7 out of 7 patents)

4. Takami Kakuda (7 out of 7 patents)

5. Kazunori Okanoya (6 out of 6 patents)

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