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USPTO Patent Rankings Data through Dec 31, 2025
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Ryuichiro Kamimura — 11 Patents

ULUlvac: 11 patents #11 of 680Top 2%
MAMarubun: 9 patents #1 of 24Top 5%
RIRiken: 8 patents #57 of 1,824Top 4%
TKToshiba Kikai: 8 patents #32 of 713Top 5%
TCTokyo Ohka Kogyo Co.: 7 patents #164 of 684Top 25%
NCNippon Tungsten Co.: 1 patents #45 of 139Top 35%
Dai Nippon Printing Co.: 1 patents #1,392 of 2,222Top 65%
SCShibaura Machine Co.: 1 patents #36 of 77Top 50%
DCDowa Holdings Co.: 1 patents #27 of 77Top 40%
NTNational Institute Of Advanced Industrial Science And Technology: 1 patents #1,256 of 3,134Top 45%
Shizuoka, JP: #1,106 of 6,644 inventorsTop 20%
Overall (All Time): #435,149 of 4,157,543Top 15%
11 Patents All Time
Ryuichiro Kamimura has been granted 11 US patents while listed as an inventor at Ulvac. The first was granted in 2013 and the most recent in April 2022. Ryuichiro Kamimura ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Ryuichiro Kamimura in Shizuoka, JP.

Patents per Year

Patents granted per year, 2013 to 2022Bar chart with a peak of 3 patents in 2018.peak 32013: 1 patents20132014: 1 patents20142016: 1 patents20162017: 1 patents20172018: 3 patents20182020: 1 patents20202021: 2 patents20212022: 1 patents2022

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
11309454 Deep ultraviolet LED and method for producing the same Yukio Kashima, Eriko Matsuura, Mitsunori Kokubo, Takaharu Tashiro, Hideki Hirayama +9 more 2022-04-19
10991591 Reactive ion etching apparatus Yamato Osada 2021-04-27
10950751 Deep ultraviolet LED and method for manufacturing the same Yukio Kashima, Eriko Matsuura, Mitsunori Kokubo, Takaharu Tashiro, Hideki Hirayama +2 more 2021-03-16
10680134 Deep ultraviolet LED and method for manufacturing the same Yukio Kashima, Eriko Matsuura, Mitsunori Kokubo, Takaharu Tashiro, Hideki Hirayama +2 more 2020-06-09
10056526 Deep ultraviolet LED and method for manufacturing the same Yukio Kashima, Eriko Matsuura, Mitsunori Kokubo, Takaharu Tashiro, Hideki Hirayama +2 more 2018-08-21
9929317 Deep ultraviolet LED and method for manufacturing the same Yukio Kashima, Eriko Matsuura, Mitsunori Kokubo, Takaharu Tashiro, Takafumi Ookawa +5 more 2018-03-27
9929311 Semiconductor light emitting element and method for producing the same Yukio Kashima, Eriko Matsuura, Mitsunori Kokubo, Takaharu Tashiro, Takafumi Ookawa +5 more 2018-03-27
9806229 Deep ultraviolet LED and method for manufacturing the same Yukio Kashima, Eriko Matsuura, Mitsunori Kokubo, Takaharu Tashiro, Takafumi Ookawa +3 more 2017-10-31
9349918 Light emitting element and method for manufacturing same Yukio Kashima, Eriko Matsuura, Hiromi Nishihara, Takaharu Tashiro, Takafumi Ookawa +5 more 2016-05-24
8921135 Method for manufacturing device Yamato Osada, Yukio Kashima, Hiromi Nishihara, Takaharu Tashiro, Takafumi Ookawa 2014-12-30
8582274 Tray for transporting wafers and method for fixing wafers onto the tray Kazuhiro Watanabe, Ryuji Hashimoto 2013-11-12

Frequent Collaborators

Yamato Osada10 shared
Yukio Kashima9 shared
Takaharu Tashiro9 shared
Hideki Hirayama8 shared
Eriko Matsuura8 shared
Mitsunori Kokubo7 shared

Nearby-Ranked Inventors

Ya-Ching Chang11
Hermann Lubbert11
Alexander WAITE11
Mehrad Mehr11
Matthew J. Purdey11
Nishtha Madaan11
Ian C. Richards11
Chad Huffman11
Lifeng Fan11