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For the Inventor, By the Inventor

Kyoto, Japan

Rohm Gmbh


USPTO Granted Patents = 596

% Expired Patents = 5.9



Trademarks = 10

Forward Citations = 4,271

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603 inventors (with patents filed for the assignee):

goldMedal Werner Siol (32 out of 101 patents)

silverMedal Ernst Pfleiderer (28 out of 30 patents)

bronzeMedal Horst Pennewiss (24 out of 38 patents)

4.  Hans-Dieter Mack (23 out of 37 patents)

5.  Guenter Schroeder (23 out of 23 patents)

6.  Rolf Monsheimer (20 out of 22 patents)

7.  Steffen Krill (18 out of 59 patents)

8.  Franz Wenzel (17 out of 17 patents)

9.  Juergen Christner (16 out of 18 patents)

10.  Peter J Arndt (16 out of 20 patents)

11.  Heinz Vetter (15 out of 31 patents)

12.  Hermann Plainer (14 out of 18 patents)

13.  Herbert Fink (14 out of 19 patents)

14.  Siegmund Besecke (14 out of 16 patents)

15.  Yuki Nakano (13 out of 162 patents)


Core Competencies:
Power Semiconductor Module
SiC Semiconductor Device
Non-Volatile Memory
Semiconductor Integrated Circuit
Light-Emitting Device
Switching Power Supply
Thermal Print Head
Driving Circuit
A/D Converter
Control Chip
Isolation Transformer
Neural Network

596 patents:

1. 12757766 - Semiconductor device (2026-10-06),
2. 12757752 - Semiconductor device with reverse and observe surfaces (2026-10-06),
3. 12757435 - Semiconductor device (2026-10-06),
4. 12756297 - Power supply control circuit and power supply device including same (2026-10-06),
5. 12756289 - State detection device, semiconductor integrated circuit device and vehicle (2026-10-06),
6. 12755715 - Display driver and display device (2026-10-06),
7. 12754219 - Voltage detection circuit, display driver, and display device (2026-10-06),
8. 12753069 - MEMS device (2026-10-06),
9. D1150001 - Power semiconductor module (2026-09-29),
10. 12751339 - Signal transmission device and insulated module (2026-09-29),
11. 12751333 - Semiconductor device (2026-09-29),
12. 12751295 - Semiconductor device (2026-09-29),
13. 12751287 - Nitride semiconductor device with embedded metal in trench of substrate (2026-09-29),
14. 12750048 - Signal transmitting apparatus (2026-09-29),
15. 12749953 - Motor driver circuit and driving method, cooling device and electronic apparatus using the same (2026-09-29),
Rohm GmbH, headquartered in Kyoto, Japan, specializes in the development and manufacturing of semiconductor devices. The company focuses on a diverse range of technologies, including power semiconductor modules, silicon carbide (SiC) devices, and non-volatile memory solutions. Rohm is also recognized for its innovations in semiconductor integrated circuits, light-emitting devices, and switching power supplies. With a commitment to advancing semiconductor technology, Rohm plays a significant role in various industries, enhancing performance and efficiency in electronic applications.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

Rohm Gmbh
596 Patents

#18 in Kyoto 615-0031

#337 in Japan

#1,637 in the World

Kyoto, JP
Kyoto, Japan

Rohm Gmbh

Forward Citations = 4,271

603 inventors:

goldMedal Werner Siol (32 out of 101 patents)

silverMedal Ernst Pfleiderer (28 out of 30 patents)

bronzeMedal Horst Pennewiss (24 out of 38 patents)

4.  Hans-Dieter Mack (23 out of 37 patents)

5.  Guenter Schroeder (23 out of 23 patents)

Please report any incorrect information to [email protected]
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