TH

Tomoyuki Hattori

Sumitomo Electric Industries: 2 patents #257 of 1,892Top 15%
SO Sumiden Opcom: 1 patents #5 of 9Top 60%
Overall (1994): #17,680 of 165,921Top 15%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5325450 Optical fiber coupler and its manufacturing method Hiroshi Suganuma, Eisuke Sasaoka, Hiroaki Takimoto, Hiroshi Yokota 1994-06-28
5309536 Process for producing an optical fiber coupler Hiroshi Suganuma, Hiroaki Takimoto, Yoshiharu Okawa, Hiroshi Yokota, Kazuhiko Arimoto 1994-05-03