Inventor · disambiguated record
Kazumitsu Takezawa
Also filed as: TAKEZAWA KAZUMITSU
8 granted patents·35 citations·filing 1990–2002
83Inventor score
Top patents by PatentIndex Score
8 records- 0154US6742940B2Shading device and lens barrelNIKON CORP·Filed 2002·Granted Jun 1, 2004·3 cites·27 claims
- 0241US5041855ALens assembly for automatic focusing camerasTAKEZAWA KAZUMITSU·Filed 1990·Granted Aug 20, 1991·13 cites·14 claims
- 0340US6239923B1Lens barrel having an iris stop unitNIKON CORP·Filed 1999·Granted May 29, 2001·9 cites·16 claims
- 0438US6542313B2Lens barrel position detecting device and methodNIKON CORP·Filed 2001·Granted Apr 1, 2003·0 cites·30 claims
- 0534US5627683ALens barrel having a biasing member to prevent backlash between lens unit cam mechanismsNIKON CORP·Filed 1995·Granted May 6, 1997·6 cites·6 claims
- 0629US5815094APosition detecting deviceNIKON CORP·Filed 1997·Granted Sep 29, 1998·1 cites·20 claims
- 0728US6002532ALens barrelNIKON CORP·Filed 1998·Granted Dec 14, 1999·2 cites·8 claims
- 0827US5926323ALens barrel with interlocking keyNIKON CORP·Filed 1997·Granted Jul 20, 1999·1 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →