AY

Akihiko Yamamoto

HI Hitachi: 3 patents #133 of 2,935Top 5%
Overall (1989): #11,894 of 140,708Top 9%
3
Patents 1989

Issued Patents 1989

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4872606 Sealed structure and production method thereof Motohiro Satoh, Toshihiro Yamada, Akiomi Kohono, Keiji Taguchi, Takahiro Daikoku +1 more 1989-10-10
4854495 Sealing structure, method of soldering and process for preparing sealing structure Akiomi Kohno, Toshihiri Yamada, Motohiro Satou, Keiji Taguchi, Kazuaki Yokoi 1989-08-08
4850726 Word processor provided with an automatic tabset means Kouji Kimura, Hiroshi Mitsuyuki, Yutaka Satoh 1989-07-25