SK

Seiji Katou

CA Calsonic: 1 patents #72 of 204Top 40%
SC Sanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
TO Tokuyama: 1 patents #280 of 562Top 50%
Overall (All Time): #1,326,342 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12275642 Silicon core wire for depositing polycrystalline silicon and production method therefor Junya Sakai, Makoto Kamada, Miki Emoto 2025-04-15
5967193 Flexible pipe unit for use in exhaust pipe line of automotive engine Tadashi Nagai, Eizo Suyama, Syoji Watanabe, Toshiaki Kimura, Kazuo Yajima +5 more 1999-10-19
4882630 Printing apparatus and facsimile equipment Hideya Yamaguchi, Hiroyuki Hayasaki, Masamichi Kawakami, Yuji Houjiyou, Yoshihiro Hobo +3 more 1989-11-21