Ryosuke SHIGITANI has been granted 7 US patents while listed as an inventor at Panasonic . The first was granted in 2022 and the most recent in September 2025. Ryosuke SHIGITANI ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Ryosuke SHIGITANI in Osaka, JP.
Patents per Year Patents granted per year, 2022 to 2025 Bar chart with a peak of 3 patents in 2024. peak 3 2022: 1 patents 2022 2024: 3 patents 2024 2025: 3 patents 2025
Issued Patents All Time
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Showing 1–7 of 7 patents
Patent # Title Co-Inventors Date
12428602 Phosphor, light emitting device, light source for sensing system, and illumination system for sensing system Mitsuru Nitta , Shozo Oshio 2025-09-30
12349522 Light emitting device and electronic instrument using the same Shozo Oshio , Mitsuru Nitta , Chigusa FUJIWARA , Shunpei Fujii 2025-07-01
12339238 Inspection device and inspection method Shozo Oshio , Mitsuru Nitta 2025-06-24
12072513 Lighting device and optical member Shumpei Fujii 2024-08-27
12018834 Light-emitting device, lighting system, and optical communication system Kazuyuki Yamae , Hironori Akiyama , Hideki Wada , Kotone Mori 2024-06-25
11892665 Colloidal crystal structure, and light-emitting device and lighting system using same Shumpei Fujii 2024-02-06
11353642 Optical filter, multiplex optical filter, and light emitting device and illumination system using the same Shunpei Fujii 2022-06-07
