Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Koji Tsukagoshi — 18 Patents

SISeiko Instruments: 5 patents #328 of 1,437Top 25%
ABAblic: 5 patents #29 of 167Top 20%
SSSii Semiconductor: 5 patents #17 of 108Top 20%
SCSanyo Electric Co.: 2 patents #2,557 of 6,347Top 45%
TCTohoku Techno Arch Co.: 1 patents #52 of 193Top 30%
TCToyoda Gosei Co.: 1 patents #1,271 of 2,296Top 60%
SCSanken Electric Co.: 1 patents #175 of 315Top 60%
Chiba, JP: #501 of 6,266 inventorsTop 8%
Overall (All Time): #245,716 of 4,157,543Top 6%
18 Patents All Time
Koji Tsukagoshi has been granted 18 US patents while listed as an inventor at Ablic. The first was granted in 2004 and the most recent in September 2023. Koji Tsukagoshi ranks #245,716 of 4,157,543 US inventors in our database (top 5.9%). Patent records list Koji Tsukagoshi in Chiba, JP.

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
11764131 Semiconductor device and manufacturing method thereof — 2023-09-19
11069824 Optical sensor device and method of manufacturing the same — 2021-07-20
11024563 Semiconductor device and manufacturing method thereof — 2021-06-01
10794760 Optical sensor device Shigetoshi Sugawa, Rihito Kuroda 2020-10-06
10340397 Optical sensor device — 2019-07-02
9997645 Optical sensor device — 2018-06-12
9773926 Optical sensor device Noriyoshi Higashi 2017-09-26
9716190 Optical sensor device and method of manufacturing optical sensor device Noriyoshi Higashi 2017-07-25
9691914 Optical sensor device Noriyoshi Higashi 2017-06-27
9362195 Semiconductor device Sadao Oku, Hiroyuki Fujita, Keiichiro Hayashi, Masaru Akino 2016-06-07
9240498 Optical semiconductor device Hiroyuki Fujita, Sadao Oku, Keiichiro Hayashi 2016-01-19
9219026 Semiconductor device — 2015-12-22
9029968 Optical sensor device Hitoshi Kamamori, Sadao Oku, Hiroyuki Fujita, Keiichiro Hayashi 2015-05-12
8946664 Optical sensor device having wiring pattern within cavity housing optical sensor element Hitoshi Kamamori, Sadao Oku, Hiroyuki Fujita, Keiichiro Hayashi 2015-02-03
8933386 Optical sensor device and method of manufacturing the same Hitoshi Kamamori, Sadao Oku, Hiroyuki Fujita, Keiichiro Hayashi 2015-01-13
7512042 Method of controlling focus of optical disk recording and reproducing device Hitoshi Ogura, Tsuyoshi Yamamoto, Hideki Osawa, Yasushi Hanamoto, Yasuki Mori 2009-03-31
7164639 Tilt control for optical disc recording and playback apparatus Tsuyoshi Yamamoto, Hideki Osawa, Hiroyuki Mutou 2007-01-16
6774405 Light-emitting device Takemasa Yasukawa, Hideki Omoya, Satoshi Honda, Tsutomu Yokota 2004-08-10

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