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

Tazumi Nagasawa

KT Kabushiki Kaisha Toshiba: 5 patents #17 of 861Top 2%
TS Toshiba Electronic Devices & Storage: 3 patents #19 of 255Top 8%
Overall (2025): #19,840 of 469,880Top 5%
5
Patents 2025

Issued Patents 2025

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12424242 Magnetic head and magnetic recording device Satoshi Shirotori, Yoshihiro Higashi, Akira Kikitsu 2025-09-23
12387748 Magnetic head with multilayer configuration between magnetic poles and magnetic recording device Yuji Nakagawa, Naoyuki Narita, Tomoyuki Maeda, Masayuki Takagishi, Ryo OSAMURA +1 more 2025-08-12
12300279 Magnetic head and magnetic recording device Yuji Nakagawa, Masayuki Takagishi, Naoyuki Narita, Tomoyuki Maeda, Ryo OSAMURA +1 more 2025-05-13
12249359 Magnetic sensor, magnetic head, and magnetic recording device Satoshi Shirotori, Akira Kikitsu, Yoshihiro Higashi 2025-03-11
12190917 Magnetic head with multilayer configuration between magnetic poles and magnetic recording device Yuji Nakagawa, Ryo OSAMURA, Masayuki Takagishi, Naoyuki Narita, Tomoyuki Maeda +1 more 2025-01-07