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Hiroaki Ishii — 67 Patents

JOJoled: 10 patents #33 of 392Top 9%

SCScreen Holdings Co.: 9 patents #76 of 686Top 15%

Canon: 8 patents #7,309 of 19,416Top 40%

Nec: 7 patents #2,009 of 14,502Top 15%

LCLapis Semiconductor Co.: 5 patents #37 of 349Top 15%

LCLapis Technology Co.: 5 patents #2 of 50Top 4%

NINikon: 2 patents #1,269 of 2,493Top 55%

Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%

JGJdi Design And Development G.K.: 2 patents #2 of 39Top 6%

NPNec Platforms: 2 patents #64 of 361Top 20%

OEOmron Tateisi Electronics: 2 patents #150 of 599Top 30%

SCSuminoe Textile Co.: 2 patents #4 of 50Top 8%

WLWalbro Japan Limited: 2 patents #12 of 31Top 40%

OCOki Semiconductor Co.: 1 patents #202 of 526Top 40%

HKHamamatsu Photonics K.K.: 1 patents #936 of 1,436Top 70%

RKRiso Kagaku: 1 patents #321 of 551Top 60%

MEMetaco: 1 patents #6 of 8Top 75%

KCKawasaki Refractories Co.: 1 patents #1 of 25Top 4%

Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%

NCNihon Dempa Kogyo Co.: 1 patents #180 of 296Top 65%

DCDainippon Screen Mfg. Co.: 1 patents #531 of 977Top 55%

NONippon Oil: 1 patents #392 of 773Top 55%

Yokohama, JP: #777 of 49,234 inventorsTop 2%

Overall (All Time): #31,718 of 4,157,543Top 1%

67 Patents All Time

Hiroaki Ishii has been granted 67 US patents while listed as an inventor at Joled. The first was granted in 1989 and the most recent in August 2025. Hiroaki Ishii ranks #31,718 of 4,157,543 US inventors in our database (top 0.76%). Patent records list Hiroaki Ishii in Yokohama, JP.

Patents per Year

Issued Patents All Time

Showing 1–25 of 67 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
D1087204	Tilt monitor for a digital camera	Masanori Hasuda, Kenji Tonegawa	2025-08-05
12324260	Multiplying image sensor	Mitsuhito Mase, Jun Hiramitsu, Yuma Tanaka, Toshinori ITO	2025-06-03
12293935	Substrate processing apparatus	Yosuke YASUTAKE, Wataru Sakai, Yutaka IKEGAMI	2025-05-06
12254848	Display device and source driver	—	2025-03-18
12223880	Control device, display apparatus, and control method	Toshiyuki Kato	2025-02-11
12128451	Substrate processing system and substrate processing method	Junichi Ishii, Kazuhiro Honsho	2024-10-29
12106725	Control device, display apparatus, and control method	Toshiyuki Kato	2024-10-01
D1042587	Tilt monitor for a digital camera	Masanori Hasuda, Kenji Tonegawa	2024-09-17
12067953	Display device and source driver	—	2024-08-20
11967295	Display driver and display device using independent test polarity inversion signal	—	2024-04-23
11922898	Display device and source driver	—	2024-03-05
11839893	Substrate processing apparatus	Yosuke YASUTAKE, Wataru Sakai, Yutaka IKEGAMI	2023-12-12
11842706	Source driver for display device detecting abnormality in data receiving	—	2023-12-12
11804387	Substrate processing device and substrate processing method	Daichi Yoshitomi, Kazuki Inoue, Masaki Iwami	2023-10-31
11705077	Control method and control device	—	2023-07-18
11551624	Display device and source driver with local dimming	Shinichi Fukuzako	2023-01-10
11514829	Display device and source driver	—	2022-11-29
11505991	Screen device	Yasubumi Okachi	2022-11-22
11436988	Control method and control device	—	2022-09-06
11405595	Display panel control device, display device, and method for driving display panel	—	2022-08-02
11398250	Recovery device, recovery system, and recovery method	—	2022-07-26
11367407	Display driver, display device, and semiconductor device to detect fault in fixed driving voltage applied to a display panel	—	2022-06-21
11141929	Fixing object, fixation item, fixing method, and assessment method	—	2021-10-12
11069293	Luminance controlling unit, light-emitting unit, and luminance controlling method	Teppei Isobe	2021-07-20
10998203	Substrate processing device and substrate processing method	Daichi Yoshitomi, Kazuki Inoue, Masaki Iwami	2021-05-04