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For the Inventor, By the Inventor

Tokyo, Japan

Phc Holdings Corporation


USPTO Granted Patents = 199

% Expired Patents = 5.5



Trademarks = 6

Forward Citations = 305

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219 inventors (with patents filed for the assignee):

goldMedal Kenji Murakami (14 out of 23 patents)

silverMedal Akihiro Mochizuki (14 out of 28 patents)

bronzeMedal Seiji Kikuchi (12 out of 33 patents)

4.  Fumio Yamada (12 out of 35 patents)

5.  Masaki Fujiwara (11 out of 84 patents)

6.  Yuta Moriwake (10 out of 12 patents)

7.  Fusatoshi Okamoto (9 out of 9 patents)

8.  Noriyoshi Terashima (9 out of 21 patents)

9.  Tadashi Okada (8 out of 12 patents)

10.  Takashi Toyooka (8 out of 9 patents)

11.  Masahiro Johno (8 out of 8 patents)

12.  Masahiro Kouge (8 out of 11 patents)

13.  Masakazu Mori (8 out of 50 patents)

14.  Tomoyoshi Tokumaru (7 out of 14 patents)

15.  Masataka Nadaoka (7 out of 26 patents)


Core Competencies:
Medicine Injector
Bioreactor
Cell Culture Analysis
Pharmaceutical Management
Biosensor
Refrigeration Device
Chemical Agent Supply
Biochemical Analyzer
Nucleic Acid Testing
Drug Supply Apparatus
Sample Analysis
Cooling Device

199 patents:

1. 12734298 - Drug cartridge, drug injection device, and drug injection system (2026-09-15),
2. 12640246 - Pharmaceutical refrigerator operation support system, pharmaceutical refrigerator operation support method, and non-transitory computer-readable medium (2026-05-26),
3. D1124315 - Medicine injector (2026-04-28),
4. 12612200 - Drug supply apparatus (2026-04-28),
5. 12605507 - Cassette, medicine injection device, and medicine injection system (2026-04-21),
6. D1120302 - Medicine injector (2026-03-24),
7. D1118904 - Medicine injector (2026-03-17),
8. 12570946 - Sensor unit and cell culture analysis device having same (2026-03-10),
9. 12558008 - High molecular weight redox polymer and biosensor using same (2026-02-24),
10. D1109886 - Bioreactor (2026-01-20),
11. D1108654 - Bioreactor (2026-01-06),
12. 12516277 - Culture device with a vibration prevention mechanism (2026-01-06),
13. 12507922 - Protective film material for biosensor probe (2025-12-30),
14. D1103944 - Control panel for incubator (2025-12-02),
15. 12473526 - Cell culture control device, cell culture device provided with same, cell culture control method, and cell culture control program (2025-11-18),
Phc Holdings Corporation, headquartered in Tokyo, Japan, specializes in the development and manufacturing of advanced biotechnology devices. The company focuses on innovative solutions in areas such as medicine injectors, bioreactors, and cell culture analysis, contributing significantly to the pharmaceutical management sector. Additionally, Phc Holdings is engaged in the creation of biosensors, refrigeration devices, and biochemical analyzers, enhancing the efficiency and effectiveness of healthcare and laboratory environments.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

Phc Holdings Corporation
199 Patents

#349 in Tokyo

#701 in Japan

#4,236 in the World

Tokyo, JP
Tokyo, Japan

Phc Holdings Corporation

Forward Citations = 305

219 inventors:

goldMedal Kenji Murakami (14 out of 23 patents)

silverMedal Akihiro Mochizuki (14 out of 28 patents)

bronzeMedal Seiji Kikuchi (12 out of 33 patents)

4.  Fumio Yamada (12 out of 35 patents)

5.  Masaki Fujiwara (11 out of 84 patents)

Please report any incorrect information to [email protected]
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