Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
Shunpei Yamazaki

Shunpei Yamazaki

SLSemiconductor Energy Laboratory: 6576 patents #1 of 1,113Top 1%
Sharp Kabushiki Kaisha: 19 patents #838 of 10,731Top 8%
SCSemiconductor Energy Laboratories Co.: 6 patents #1 of 38Top 3%
Ricoh Company: 3 patents #4,826 of 9,818Top 50%
SCSemiconductor Energy Co.: 3 patents #1 of 13Top 8%
UNUnknown: 1 patents #29,356 of 83,584Top 40%
TITakasago International: 1 patents #239 of 465Top 55%
Eastman Kodak: 1 patents #4,972 of 8,114Top 65%
Tokyo, MO: #1 of 223 inventorsTop 1%
Overall (All Time): #1 of 4,157,543Top 1%
6629 Patents All Time

Issued Patents All Time

Showing 3,401–3,425 of 6,629 patents

Patent #TitleCo-InventorsDate
8502241 Method of driving a light emitting device Mitsuaki Osame, Jun Koyama 2013-08-06
8502233 Light emitting element, light emitting device and semiconductor device Kengo Akimoto 2013-08-06
8502226 Liquid crystal display device Toshikazu Kondo, Jun Koyama 2013-08-06
8502225 Light-emitting device and method for manufacturing the same Junichiro Sakata, Masayuki Sakakura, Yoshiaki Oikawa, Kenichi OKAZAKI, Hotaka Maruyama 2013-08-06
8501585 Manufacturing method of semiconductor device Takeshi Shichi, Naoki Suzuki 2013-08-06
8502221 Semiconductor device with two metal oxide films and an oxide semiconductor film 2013-08-06
8502220 Semiconductor device and manufacturing method thereof Junichiro Sakata, Masayuki Sakakura, Yoshiaki Oikawa, Kenichi OKAZAKI, Hotaka Maruyama 2013-08-06
8502216 Semiconductor device Kengo Akimoto 2013-08-06
8502215 Semiconductor element and display device using the same Satoshi Murakami, Masahiko Hayakawa 2013-08-06
8501555 Semiconductor device and manufacturing method thereof Kengo Akimoto, Shigeki Komori, Hideki Uochi 2013-08-06
8497525 Light emitting device and method of manufacturing the same Hirokazu Yamagata, Toru Takayama 2013-07-30
8497508 Semiconductor device and manufacturing method thereof Jun Koyama, Hisashi Ohtani, Yasushi Ogata 2013-07-30
8497516 Light-emitting device and display device Yasuyuki Arai 2013-07-30
8497509 Method of manufacturing a semiconductor device Yasuyuki Arai, Satoshi Teramoto 2013-07-30
8496341 Lighting device Takuya Kawata, Yutaka Uchida 2013-07-30
8497628 Light emitting device and manufacturing method of the same Satoshi Seo, Hideaki Kuwabara 2013-07-30
8492840 Semiconductor device having an oxide semiconductor layer Hiromichi Godo, Hideomi Suzawa, Shinya Sasagawa, Motomu Kurata, Mayumi MIKAMI 2013-07-23
8492768 Semiconductor device and method of fabricating the same Jun Koyama 2013-07-23
8492766 Information device Jun Koyama 2013-07-23
8492764 Light-emitting device and manufacturing method thereof Masayuki Sakakura, Junichiro Sakata, Masashi TSUBUKU, Kengo Akimoto, Miyuki Hosoba +1 more 2013-07-23
8492760 Semiconductor device and method for manufacturing the same Hidekazu Miyairi, Akiharu Miyanaga, Kengo Akimoto, Kojiro Shiraishi 2013-07-23
8492759 Field effect transistor Kengo Akimoto 2013-07-23
8492862 Sputtering target and manufacturing method thereof, and transistor Toru Takayama, Keiji Sato 2013-07-23
8492758 Oxide semiconductor film and semiconductor device Masayuki Sakakura, Ryosuke Watanabe, Junichiro Sakata, Kengo Akimoto, Akiharu Miyanaga +2 more 2013-07-23
8492756 Semiconductor device and method for manufacturing the same Junichiro Sakata, Takashi Shimazu, Hiroki Ohara, Toshinari SASAKI 2013-07-23