Missing In Action JG 300

Here follows the list of MIA pilots of JG 300. Any question concerning this list is welcomed. If you have the answer to just one of these entries, I would be glad to include your remark and name.
24/09/43
23.09.43?
Fw. Wilhelm Panzer 5./JG 300
II./JG 1
Fw 190 A-6
(550564)
Black 12
Combat
Near Maudach, near Ludwigshafen
27/09/43 Ofw. Kurt Grieneisen 5./JG 300
II./JG 1
Fw 190 A-6
(550524) (550624?)
Black 11
Combat
Near Lippe
27/09/43 Fw. Walter Nietzsche
(Nietsche?)
5./JG 300
II./JG 1
Fw 190 A-6
(550473)
Black 5
Combat
Braunschweig
11/06/44 Ltn? Carl Platte 6./JG 300 Bf 109 G-6
(760226)
4
Combat with B-24
Busso ? (Romania)
11/06/44 Uffz. Werner Harterich 7./JG 300 Bf 109 G-6
(163216)
<< +
Near Bucarest
18/07/44 Uffz. Berthold Hilgendorf 8,/JG 300 Bf 109 G-6
(411794)
Red 2
Unknown reason
Döbritz, N. Schwerin
29/07/44 Ofhr. Wolfgang Köcher 3,/JG 300 Bf 109 G-6
(165867)
Yellow 9 BS + EI
Combat
8/02/45 Gefr. Günther Lang 1./JG 300 Bf 109 G-14/AS
(784101)
White 14
Combat
E. Frankfurt / Oder
2/03/45 Uffz. Gerhard Gütel I./JG 300 Fw 190 A-9
(207193)
Unknown reason
2/03/45 Ofhr. Heinz Schäfer I./JG 300 Fw 190 A-9
(202371)
Unknown reason
2/03/45 Ofhr. Karl Leppers 14./JG 300 Bf 109 G-10 (151077) Combat
Kempten
Leppers crashed on 2.3.45 near Burg (Magdeburg ) at 11 hours. He was burried in the Soldatenfriedhof in Burg. (Thanks to Illiestiger)