We have 8 basic pins we use:
Kesa gatama - scarf hold
Kata gatama
Makura kesa gatame
yoko or mune gatame
tate shiho gatame
kami shiho gatame
kuzure kami shiho
ushiro kesa
we also have The Mount and The Guard
Updated list of osae komi
Osaekomi-waza (押込技): pins or holds
Kesa-gatame (袈裟固): scarf hold - Hon Kesa Gatame
Kuzure-kesa-gatame (崩袈裟固): Broken scarf hold
Makura kesa gatame - pillow scarf hold
Kata-gatame (肩固): Shoulder hold
Ushiro-kesa-gatame (後袈裟固): Reverse Scarf Hold
Yoko-shiho-gatame (横四方固): Side four quarter hold
Kuzure
Mune-gatame: Chest hold
Tate-shiho-gatame (縦四方固): Vertical four quarter hold
Kuzure
Kami-shiho-gatame (上四方固): Upper four quarter hold down
Kuzure-kami-shiho-gatame (崩上四方固): Broken upper four quarter hold down
Ura-kesa-gatame (裹袈裟固)
Ura-gatame (裹固)
Uki-gatame (浮固)- Floating hold
Sankaku-gatame - Triangular Hold (三角固)