is JRPass needed for myJapan trip Itinerary

Hi,

we will travel to Japan from 20June - 29June. we've bought 7 days JR pass.
i would like to ask your advise about my plan itinerary.

20June : arrive at Haneda around midnight, we already book transport to hotel in Shinjuku using tokyoairporter.com
21June : wish to go to Alpen Route, not sure if we can go there by JR train or bus
or we will go to Asakusa Temple, Shibuya (any advice)
22June : still in Tokyo (pls advice any interesting place) - activating the JRPass
23June : check out from Shinjuku move to Hotel near disney, disneyland
24June : Disneysea in the morning, and afternoon will go to Kawaguchi-ko and overnight in Kawaguchi hotel
a. any JR shinkansen train to Kawaguchiko? or which is the best route?
25June : travelling around Kawaguchiko & Hakone if possible, evening time will go to Kyoto
a. pls advice how to take shinkansen to Kyoto? overnight in kyoto
26June : Kyoto sightseeing
27June : morning left Kyoto to Osaka by shinkansen
28June : Universal Studio, evening take shinkansen back to Shinjuku and then go to Haneda,
29June : flyback to Jakarta at 00.30

thank you
any advice is really appreciated
also, when is the best time to activate my JRPass because we will be 8 days in Japan...