KY

Kei Yamamoto

FU Fujifilm: 4 patents #58 of 787Top 8%
Mitsubishi Electric: 2 patents #196 of 1,971Top 10%
📍 Tokyo, CA: #25 of 241 inventorsTop 15%
Overall (2025): #16,115 of 469,880Top 4%
6
Patents 2025

Issued Patents 2025

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
12417951 Semiconductor device and power conversion device Wakana Noboru, Hodaka ROKUBUICHI 2025-09-16
12306538 Treatment liquid and pattern forming method Hideaki Tsubaki, Toru Tsuchihashi, Wataru Nihashi 2025-05-20
12308304 Semiconductor device and method of manufacturing the same, and power conversion device Hodaka ROKUBUICHI 2025-05-20
12242192 Photosensitive resin composition, method for producing the same, resist film, pattern forming method, and method for manufacturing electronic device Yasufumi Oishi, Naohiro TANGO, Hidenori Takahashi 2025-03-04
12235579 Method for producing actinic ray-sensitive or radiation-sensitive resin composition, pattern forming method, and method for manufacturing electronic device Keiyu OU, Naohiro TANGO, Kazuhiro Marumo 2025-02-25
12216404 Actinic ray-sensitive or radiation-sensitive resin composition, resist film, pattern forming method, and method for manufacturing electronic device Masafumi KOJIMA, Minoru Uemura, Takashi Kawashima, Akiyoshi GOTO, Kazuhiro Marumo +1 more 2025-02-04