Tetsuhiko INAZU has been granted 37 US patents while listed as an inventor at Nikkiso Co. . The first was granted in 2014 and the most recent in September 2025. Tetsuhiko INAZU ranks #88,321 of 4,157,543 US inventors in our database (top 2.1%). Patent records list Tetsuhiko INAZU in Ishikawa, MH, JP.
Patents per Year Patents granted per year, 2014 to 2025 Bar chart with a peak of 13 patents in 2022. peak 13 2014: 1 patents 2014 2015: 1 patents 2015 2016: 1 patents 2016 2019: 1 patents 2019 2020: 3 patents 2020 2021: 1 patents 2021 2022: 13 patents 2022 2023: 8 patents 2023 2024: 2 patents 2024 2025: 6 patents 2025 Issued Patents All Time
Showing 1–25 of 37 patents
Patent # Title Co-Inventors Date
12408495 Semiconductor light-emitting element Natsuki Kojima , Noritaka Niwa 2025-09-02
12364068 Semiconductor light-emitting element and method of manufacturing semiconductor light-emitting element Noritaka Niwa , Haruhisa Aida 2025-07-15
12336341 Semiconductor light-emitting element and method of manufacturing semiconductor light-emitting element Noritaka Niwa , Haruhisa Aida 2025-06-17
12302674 Semiconductor light-emitting element — 2025-05-13
12278312 Semiconductor light-emitting element and method of manufacturing semiconductor light-emitting element Noritaka Niwa 2025-04-15
12243965 Semiconductor light-emitting element and method of manufacturing semiconductor light-emitting element Noritaka Niwa 2025-03-04
12166152 Semiconductor light-emitting device and method of manufacturing semiconductor light-emitting device Noritaka Niwa 2024-12-10
11961942 Semiconductor light-emitting element and method of manufacturing semiconductor light-emitting element Noritaka Niwa 2024-04-16
11799051 Nitride semiconductor light-emitting element and method for manufacturing nitride semiconductor light-emitting element Yusuke Matsukura , Cyril PERNOT 2023-10-24
11777060 Semiconductor light-emitting element and method of manufacturing semiconductor light-emitting element Noritaka Niwa 2023-10-03
11769860 Semiconductor light-emitting element and method of manufacturing semiconductor light-emitting element Noritaka Niwa 2023-09-26
11705538 Semiconductor light emitting element Noritaka Niwa 2023-07-18
11652191 Semiconductor light-emitting element and method of manufacturing semiconductor light-emitting element Noritaka Niwa 2023-05-16
11626540 Semiconductor light-emitting element and method of manufacturing semiconductor light-emitting element Noritaka Niwa 2023-04-11
11575068 Method of manufacturing semiconductor light emitting element Noritaka Niwa , Haruhito Sakai 2023-02-07
11563139 Method of manufacturing deep ultraviolet light emitting device Cyril PERNOT 2023-01-24
11489091 Semiconductor light emitting device and method of manufacturing semiconductor light emitting device having pattered light extraction surface Noritaka Niwa , Yasumasa Suzaki , Akifumi Nawata , Satoru Tanaka 2022-11-01
11430914 Semiconductor light emitting device and method of manufacturing semiconductor light emitting device Noritaka Niwa , Yasumasa Suzaki , Akifumi Nawata , Satoru Tanaka 2022-08-30
11404603 Nitride semiconductor light-emitting element Yusuke Matsukura , Cyril PERNOT 2022-08-02
11404606 Semiconductor light-emitting element Noritaka Niwa 2022-08-02
11387385 Semiconductor light-emitting element and method of manufacturing semiconductor light-emitting element Noritaka Niwa 2022-07-12
11387386 Semiconductor light emitting element and method of manufacturing semiconductor light emitting element Noritaka Niwa 2022-07-12
11355670 Deep ultraviolet light emitting device Haruhito Sakai , Noritaka Niwa , Cyril PERNOT 2022-06-07
11322654 Nitride semiconductor light-emitting element Yusuke Matsukura , Cyril PERNOT 2022-05-03
11322656 Semiconductor light emitting element and method of manufacturing semiconductor light emitting element Haruhito Sakai , Noritaka Niwa 2022-05-03