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Hiroki Koga — 37 Patents

Nec: 15 patents #770 of 14,502Top 6%

OMOmron: 9 patents #296 of 3,089Top 10%

Yamaha Motor: 5 patents #351 of 2,310Top 20%

NENec Electronics: 4 patents #172 of 1,789Top 10%

EMElpida Memory: 1 patents #419 of 692Top 65%

Sony: 1 patents #17,321 of 25,231Top 70%

Hitachi: 1 patents #17,777 of 28,497Top 65%

KSKobe Steel: 1 patents #922 of 2,031Top 50%

Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%

Kyoto, JP: #400 of 11,909 inventorsTop 4%

Overall (All Time): #88,321 of 4,157,543Top 3%

37 Patents All Time

Hiroki Koga has been granted 37 US patents while listed as an inventor at Nec. The first was granted in 1994 and the most recent in December 2025. Hiroki Koga ranks #88,321 of 4,157,543 US inventors in our database (top 2.1%). Patent records list Hiroki Koga in Kyoto, JP.

Patents per Year

Issued Patents All Time

Showing 1–25 of 37 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12491978	Marine propulsion device with simplified wiring of power lines	Yoshiyuki Kadobayashi, Akihiro Noma	2025-12-09
12455204	Tactile sensor	Misato Nabeto, Hisashi Kitajima, Sayaka Doi	2025-10-28
12421886	Outboard motor	Junya Onoue, Yoshiyuki Kadobayashi, Kimitaka SARUWATARI, Akihiro Noma	2025-09-23
12422319	Tactile sensing system	Misato Nabeto, Hiroshi Kitajima, Sayaka Doi	2025-09-23
12403995	Outboard motor	Yoshiyuki Kadobayashi, Akihiro Noma, Kimitaka SARUWATARI, Junya Onoue	2025-09-02
12391352	Outboard motor	Junya Onoue, Yoshiyuki Kadobayashi, Kimitaka SARUWATARI, Akihiro Noma	2025-08-19
12277983	Semiconductor device	Hiroshi Yoshida, Jun Okuno, Yusuke Shuto, Takeo Tsukamoto	2025-04-15
12275132	Tactile sensor, robot hand, and robot	Misato Nabeto, Sayaka Doi	2025-04-15
12269694	Controller	Sayaka Doi, Shinji Kawakami, Yukihisa Karako	2025-04-08
12173638	Outboard motor	Junya Onoue, Yoshiyuki Kadobayashi, Kimitaka SARUWATARI, Akihiro Noma	2024-12-24
12109683	Tactile sensor, robot hand, and robot	Misato Nabeto, Sayaka Doi	2024-10-08	$197,000
12097611	Sensor assembly and suction apparatus	Sayaka Doi	2024-09-24	$244,000
12017345	End effector and end effector device	Misato Nabeto, Sayaka Doi	2024-06-25	$274,000
11931887	End effector device	Misato Nabeto, Sayaka Doi	2024-03-19	$163,000
11820000	End effector and end effector device	Sayaka Doi, Misato Nabeto	2023-11-21	$142,000
11656102	Proximity sensor unit and distance calculation device	Sayaka Doi, Naoki Yoshitake	2023-05-23	$137,000
11448699	Input device, and input diagnosing method	—	2022-09-20
9227713	Outboard motor	—	2016-01-05
7709366	Semiconductor device and method of manufacturing the same	—	2010-05-04	$3,152,000
7646661	Self-refresh control circuit for detecting current flowing from current generator and semiconductor device including same	Kazutaka Taniguchi	2010-01-12
6914309	Semiconductor device with double sidewall spacer and layered contact	—	2005-07-05
6649500	Semiconductor device including an insulated gate field effect transistor and method of manufacturing the same	—	2003-11-18	$34,000
6593186	Method for manufacturing non-volatile semiconductor memory device	Takuya Kitamura	2003-07-15	$20,000
6313494	Semiconductor device having a selectively-grown contact pad	—	2001-11-06	$29,000
6236248	Output buffer circuit	—	2001-05-22	$44,000