Inventor · disambiguated record
Seiichiro Otsuka
Also filed as: OTSUKA SEIICHIRO
4 granted patents·63 citations·filing 1988–1997
78Inventor score
Files withSHINETSU HANDOTAI KK4
Top patents by PatentIndex Score
4 records- 0173US4916955ACrystal ingot lifting load measuring deviceSHINETSU HANDOTAI KK·Filed 1988·Granted Apr 17, 1990·22 cites·7 claims
- 0260US5879448ACrystal pulling methods and apparatusSHINETSU HANDOTAI KK·Filed 1997·Granted Mar 9, 1999·20 cites·16 claims
- 0342US6113686ASingle crystal growing method and apparatusSHINETSU HANDOTAI KK·Filed 1996·Granted Sep 5, 2000·11 cites·20 claims
- 0442US5910216ACrystal holding apparatusSHINETSU HANDOTAI KK·Filed 1997·Granted Jun 8, 1999·10 cites·16 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →