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For the Inventor, By the Inventor

Tokyo, Japan

Phc Holdings Corporation

Calculating rank
USPTO Granted Patents = 200

% Expired Patents = 5.5



Trademarks = 6

Forward Citations = 317

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217 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

200 patents:

1. 12754159 - Sample measurement device, sample measurement method, and sample measurement program (2026-10-06),
2. 12734298 - Drug cartridge, drug injection device, and drug injection system (2026-09-15),
3. 12640246 - Pharmaceutical refrigerator operation support system, pharmaceutical refrigerator operation support method, and non-transitory computer-readable medium (2026-05-26),
4. D1124315 - Medicine injector (2026-04-28),
5. 12612200 - Drug supply apparatus (2026-04-28),
6. 12605507 - Cassette, medicine injection device, and medicine injection system (2026-04-21),
7. D1120302 - Medicine injector (2026-03-24),
8. D1118904 - Medicine injector (2026-03-17),
9. 12570946 - Sensor unit and cell culture analysis device having same (2026-03-10),
10. 12558008 - High molecular weight redox polymer and biosensor using same (2026-02-24),
11. D1109886 - Bioreactor (2026-01-20),
12. D1108654 - Bioreactor (2026-01-06),
13. 12516277 - Culture device with a vibration prevention mechanism (2026-01-06),
14. 12507922 - Protective film material for biosensor probe (2025-12-30),
15. D1103944 - Control panel for incubator (2025-12-02),
Company Overview
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 synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

Phc Holdings Corporation USPTO Patent Assignee Logo
200 Patents

#347 in Tokyo

#699 in Japan

#4,229 in the World

Tokyo, JP
Tokyo, Japan

Phc Holdings Corporation

Forward Citations = 317

217 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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Phc Holdings Corporation. Retrieved from https://idiyas.com/company/phc-holdings

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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