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Assignee profile:

POWDERTECH CO., LTD.

City:

Kashiwa

Country:

Japan

Published Applications:

Last publication date:

2023-09-21

Patent Grants:

Last grant date:

2025-10-28

Top Inventors for applications by POWDERTECH CO., LTD.

These are the the leading inventors for applications assigned to POWDERTECH CO., LTD.:

Tetsuya Uemura 7 Kashiwa, Japan
Hiroki Sawamoto 5 Kashiwa, Japan
Makoto ISHIKAWA 4 Chiba, Japan
Makoto Ishikawa 4 Kashiwa, Japan

Hiroki SAWAMOTO 4 Kashiwa-shi, Chiba, Japan
Tetsuya UEMURA 4 Chiba, Japan
Tetsuya UEMURA 4 Kashiwa-shi, Chiba, Japan
Tetsuya UEMURA 3 Kashiwa-shi, Japan

Koji AGA 3 Kashiwa-shi, Chiba, Japan
Makoto ISHIKAWA 3 Kashiwa-shi, Japan
Koji Aga 3 Kashiwa, Japan
Takashi Kojima 2 Kashiwa, Japan

Takashi KOJIMA 2 Kashiwa-shi, Chiba, Japan
Takao SUGIURA 1 Kashiwa-shi, Chiba, Japan
Takao Sugiura 1 Kashiwa, Japan
Satomi Konno 1 Kashiwa, Japan

Hiroki SAWAMOTO 1 Chiba, Japan
Satomi KONNO 1 Kashiwa-shi, Chiba, Japan
Sho KUWAHARA 1 Kashiwa-shi, Chiba, Japan
Tetsuya Igarashi 1 Kashiwa, Japan

Tetsuya IGARASHI 1 Kashiwa-shi, Chiba, Japan
Aya Sakuta 1 Kashiwa, Japan
Hiroki SAWAMOTO 1 Kashiwa-shi, Japan
Tadashi Tsuduki 1 Kashiwa, Japan

Makoto ISHIKAWA 1 Kashiwa-shi, Chiba, Japan
Tadashi TSUDUKI 1 Kashiwa-shi, Chiba, Japan
Aya SAKUTA 1 Chiba, Japan
Aya SAKUTA 1 Kashiwa-shi, Japan

Sho Kuwahara 1 Kashiwa, Japan

Recent patent applications by POWDERTECH CO., LTD.

POWDERTECH CO., LTD. based in Kashiwa, JP has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:

#1 | 2023-09-21 ✅ Patent 12,455,516 granted on 2025-10-28

US20230296999A1

Physics

FERRITE PARTICLE, CARRIER CORE MATERIAL FOR ELECTROPHOTOGRAPHIC DEVELOPER, CARRIER FOR ELECTROPHOTOGRAPHIC DEVELOPER, AND ELECTROPHOTOGRAPHIC DEVELOPER

#2 | 2023-05-18 ✅ Patent 12,436,480 granted on 2025-10-07

US20230152726A1

Physics

FERRITE PARTICLES, ELECTROPHOTOGRAPHIC DEVELOPER CARRIER CORE MATERIAL, ELECTROPHOTOGRAPHIC DEVELOPER CARRIER, AND ELECTROPHOTOGRAPHIC DEVELOPER

#3 | 2023-05-11 ✅ Patent 12,422,763 granted on 2025-09-23

US20230144641A1

Physics

FERRITE PARTICLES, ELECTROPHOTOGRAPHIC DEVELOPER CARRIER CORE MATERIAL, ELECTROPHOTOGRAPHIC DEVELOPER CARRIER, AND ELECTROPHOTOGRAPHIC DEVELOPER

#4 | 2023-03-23 ✅ Patent 12,119,151 granted on 2024-10-15

US20230085745A1

Electricity

Ferrite powder and method of producing the same

#5 | 2023-02-23 ✅ Patent 12,134,567 granted on 2024-11-05

US20230055795A1

Chemistry; metallurgy

Ferrite powder and method for producing same

#6 | 2022-05-19 ✅ Patent 12,253,825 granted on 2025-03-18

US20220155702A1

Physics

Ferrite particles, electrophotographic developer carrier core material, electrophotographic developer carrier, and electrophotographic developer

#7 | 2022-05-19 ✅ Patent 12,386,281 granted on 2025-08-12

US20220155701A1

Physics

FERRITE PARTICLES, ELECTROPHOTOGRAPHIC DEVELOPER CARRIER CORE MATERIAL, ELECTROPHOTOGRAPHIC DEVELOPER CARRIER, AND ELECTROPHOTOGRAPHIC DEVELOPER

#8 | 2022-01-20 ✅ Patent 12,204,280 granted on 2025-01-21

US20220019151A1

Physics

Carrier, xerographic developer, and carrier production method

#9 | 2021-03-18 ✅ Patent 11,099,495 granted on 2021-08-24

US20210080847A1

Physics

Magnetic core material for electrophotographic developer, carrier for electrophotographic developer, developer, method for producing magnetic core material for electrophotographic developer, method for producing carrier for electrophotographic developer, and method for producing developer

#10 | 2020-02-20 ✅ Patent 11,422,480 granted on 2022-08-23

US20200057399A1

Physics

Ferrite carrier core material for electrophotographic developer, ferrite carrier, manufacturing method thereof, and electrophotographic developer using said ferrite

#11 | 2020-01-30 ✅ Patent 10,969,706 granted on 2021-04-06