Inventor · disambiguated record
Hiroshi Shiroiwa
Also filed as: SHIROIWA HIROSHI
1 granted patent·2 pending applications·0 citations·filing 2001–2011
2Inventor score
Top patents by PatentIndex Score
3 records- 0154US2007064574A1Semiconductor laser apparatus, optical pick-up and optical information apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Application pending·0 cites
- 0239US2002097660A1Diffraction grating body, optical pick-up, semiconductor laser apparatus and optical information apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Application pending·0 cites
- 0338US8797834B2Objective lens, optical head, optical disk device, and information processing deviceYAMASAKI FUMITOMO·Filed 2011·Granted Aug 5, 2014·0 cites·13 claims
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