Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
MH

Masafumi Hoshino — 22 Patents

SISeiko Instruments: 19 patents #75 of 1,437Top 6%
ABAblic: 2 patents #65 of 167Top 40%
SCSeiko Instruments R & D Center: 1 patents #9 of 38Top 25%
SPSeiko Precision: 1 patents #81 of 173Top 50%
Chiba, JP: #388 of 6,266 inventorsTop 7%
Overall (All Time): #189,202 of 4,157,543Top 5%
22 Patents All Time
Masafumi Hoshino has been granted 22 US patents while listed as an inventor at Seiko Instruments. The first was granted in 1997 and the most recent in November 2020. Masafumi Hoshino ranks #189,202 of 4,157,543 US inventors in our database (top 4.6%). Patent records list Masafumi Hoshino in Chiba, JP.

Patents per Year

Patents granted per year, 1997 to 2020Bar chart with a peak of 4 patents in 2001.peak 41997: 3 patents19971998: 1 patents1999: 2 patents19992001: 4 patents2002: 2 patents20022003: 1 patents2004: 1 patents20042005: 3 patents2008: 1 patents20082009: 1 patents2015: 1 patents20152020: 2 patents2020

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10826327 Power feeding system and power feeding method 2020-11-03
10790704 Power feeding system and power receiving device 2020-09-29
8947335 Method of driving bi-stable liquid crystal panel and driving device Hisayuki Hirayama 2015-02-03
7598936 Liquid crystal display device 2009-10-06 $39,573,000
7432896 Method of driving a liquid crystal display panel 2008-10-07 $30,190,000
6980193 Gray scale driving method of liquid crystal display panel 2005-12-27 $14,696,000
6930659 Light emitting indicator drive circuit Susumu Fujita, Tokuya Akase, Hiroshi Odagiri, Kazumi Sakumoto 2005-08-16 $60,215,000
6897837 Self-luminous display element driving device Kazumi Sakumoto, Hiroshi Odagiri, Susumu Fujita, Tokuya Akase 2005-05-24 $58,489,000
6828953 Method of driving liquid crystal display panel 2004-12-07
6609822 Rate adjusting method of mechanical timepieces Takeshi Tokoro, Koichiro Jujo 2003-08-26
6429600 Light emitting display device having luminance compensating circuitry Susumu Fujita, Hiroshi Odagiri, Kazumi Sakumoto, Tokuya Akase 2002-08-06
6404139 Circuit for driving a light emitting elements display device Osamu Sasaki, Hiroshi Odagiri, Kazumi Sakumoto, Tokuya Akase 2002-06-11
6323923 Reflective type LCD having a solar cell formed of same material and same surface as an active element Shuhei Yamamoto, Shunichi Motte, Teruo Ebihara, Shigeru Senbonmatsu, Kaori Takano +4 more 2001-11-27
6291942 Self-luminous display element driving device Hiroshi Odagiri, Kazumi Sakumoto, Susumu Fujita, Tokuya Akase 2001-09-18
6266113 Reflection type liquid crystal display device Osamu Yamazaki, Shunichi Motte, Teruo Ebihara, Shigeru Senbonmatsu, Kaori Taniguchi +4 more 2001-07-24
6215536 Reflective liquid crystal display device having light scattering liquid crystal display element, and method for manufacturing reflective liquid crystal display device Teruo Ebihara, Shunichi Motte, Kaori Takano, Shigeru Sembonmatsu, Hiroshi Sakuma +5 more 2001-04-10
5990995 Reflection type liquid crystal display device for converting incident light into electric power Teruo Ebihara, Osamu Yamazaki, Shunichi Motte, Shigeru Senbonmatsu, Kaori Taniguchi +4 more 1999-11-23
5912655 Display device Shuhei Yamamoto, Hiroyuki Fujita, Hirotomo Oniwa, Kentaro Yagi, Fujio Matsu 1999-06-15
5815128 Gray shade driving device of liquid crystal display Fujio Matsu, Shuhei Yamamoto 1998-09-29
5696524 Gradative driving apparatus of liquid crystal display panel Hiroyuki Fujita, Hirotomo Oniwa, Fujio Matsu, Shuhei Yamamoto 1997-12-09
5621425 Liquid crystal display device Shigeru Senbonmatsu, Hirotomo Oniwa, Shuhei Yamamoto 1997-04-15
5619224 Liquid crystal display panel driving device Shuhei Yamamoto, Hiroyuki Fujita, Hirotomo Oniwa, Teruo Ebihara, Fujio Matsu 1997-04-08