Your search for "Koji Iibuchi" revealed the following:

Shoji NO4 without Shoji paper : Kobani Unpainted Kit 1:12scale WZ-007

Battery-Powered Self-Propelled Miniature Train : Yoshiaki Ishikawa Finished product N (1:150)

Castle Laputa : Sankei Kit N(1:150) MK07-33

Sakatsu Yokai Doll Hitotsume Kozo : Sakatsu unpainted kit HO(1:87) Part No.408

[Model] Planoita Cobblestone Note: Kobaru Equivalent: Sakatsuu Material N (1:150) 3755

Battery-Powered Self-Propelled Miniature Train : Yoshiaki Ishikawa Finished product N (1:150)

Self-propelled mini mini train with built-in battery : Yoshiaki Ishikawa Painted Completed N (1:150)

Self-propelled mini mini train with built-in battery : Yoshiaki Ishikawa Painted Completed N (1:150)

Showa-era Scene - Bus Depot : Keichu Matsuo Diorama work 1:80 scale No.11

Battery-Powered Self-Propelled Miniature Train : Yoshiaki Ishikawa Finished product N (1:150)

[Model] Planoita Ishiwari Pattern Note: Kobaru Equivalent: Sakatsuu Material N (1:150) 3747

Self-propelled miniature train with built-in battery Pole specification: Yoshiaki Ishikawa, complete painted N (1:150)

Hinagiku: Wako Material 1:35 A-35

Self-propelled miniature train with built-in battery : Yoshiaki Ishikawa Finished product N (1:150)

[Model] Gate (D) Note: Kobaru Equivalent: Sakatsu Unpainted Kit N (1:150) 3850

Howl's Moving Castle "Howl's Castle" : Sankei Kit Non-scale MK07-21

[Model] Fence C (high) 9mm height Kobaru Equivalent: Sakatsuu Kit N (1:150) 3856

Kururi A4 size rail : Ishikawa Yoshiaki Railroad Track 9mm gauge N (1:150)

Miniature Hina-Decoration: O-nire-sama and Ohinasama, 5-decker decoration B In-frame : Nobuko Kameda Pre-painted Non-scale

Graffiti Decal Note:Kobaru Equivalent: Sakatsu N(1:150) 3882