Inventor · disambiguated record
Kazuharu Koga
Also filed as: KOGA KAZUHARU
6 granted patents·48 citations·filing 2004–2019
79Inventor score
Files withJAPAN TOBACCO INC6
Top patents by PatentIndex Score
6 records- 0182US7549425B2Method of reducing nitrosamine content in tobacco leavesJAPAN TOBACCO INC·Filed 2005·Granted Jun 23, 2009·20 cites·6 claims
- 0279US7549426B2Method of reducing nitrite and/or nitrosamine in tobacco leaves using microorganism having denitrifying abilityJAPAN TOBACCO INC·Filed 2005·Granted Jun 23, 2009·14 cites·2 claims
- 0368US8383390B2Bacteria that reduce content of heavy metals in plantJAPAN TOBACCO INC·Filed 2010·Granted Feb 26, 2013·1 cites·8 claims
- 0466US7556046B2Method of reducing nitrosamines content in tobacco leavesJAPAN TOBACCO INC·Filed 2004·Granted Jul 7, 2009·13 cites·9 claims
- 0538US10400251B2Virus-resistant tobacco and method for creating sameJAPAN TOBACCO INC·Filed 2016·Granted Sep 3, 2019·0 cites·18 claims
- 0634US11659807B2Virus-resistant tobacco and breeding method thereforJAPAN TOBACCO INC·Filed 2019·Granted May 30, 2023·0 cites·15 claims
Join the waitlist — get patent alerts
Get an alert when Kazuharu Koga files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →