Partial year: Data through Q3 2025 (Sept 30). Full-year totals not yet available.
MI

Mitsuru Ishikawa

IC Ishikawa Energy Research Co.: 5 patents #1 of 5Top 20%
📍 Shinagawa, JP: #3 of 62 inventorsTop 5%
Overall (2025): #21,700 of 469,880Top 5%
5
Patents 2025

Issued Patents 2025

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12428985 Engine-mounted autonomous flying device Hidetaka Kayanuma 2025-09-30
12377970 Flight device with first main rotor and second main rotor arranged below sub-rotor Takahito Sekita 2025-08-05
12366199 Power unit Masakazu Yamazaki 2025-07-22
12339157 Flight device Yasutoshi Ono 2025-06-24
12319445 Flight device 2025-06-03