Your search for "koji iibuchi" revealed the following:

Straw Farmers and Local Railway : Yasuji Ibuchi Modeling work N (1:150)

Tea Field and Elevated Road (with pole between lines) : Yasuji Ibuchi Painted Completed N (1:150)

Pond Station with 2 power cars : Yasuji Ibuchi Painted finished product Z (1:220)

Farm and Lift Line : Yasuji Ibuchi Modeling work N (1:150)

Marnie of my memories [Oiwa-ke] : Sankei Kit N(1:150) MK07-18

My Neighbor Totoro [Diorama full of Totoro] : Sankei Kit Non-scale MK07-35

Dollhouse Instruction Book vol.2 "Anniversary - Your Important Day" : ISHINSHA (Japanese Book) 978-4-904850-38-1

Battery-Powered Self-Propelled Mini Mini-Train Diesel Locomotive Specification Blue Kiha : Yoshiaki Ishikawa Pre-painted N (1:150)

Koshinto Set: Echo Model Unpainted Kit HO (1:80) 137

[Model] Chochin Hanging (Red) Note: Equivalent to Kobaru: Sakatsu Unpainted Kit N (1:150) 3711

6 tatami mat Japanese-style room with tokonoma (alcove) and tokowaki (floor armpit) with accessories : Matsumoto Craft Works Yoshihiko Matsumoto Painted 1:18 scale

Japanese Modern Horizataku Izakaya: cobaanii Unpainted Kit 1:12 WZ-021

Sosuke and Ponyo's House: Sankei Kit N(1:150) MK07-08

[Model] Bench Set Note:Kobaru Equivalent: Sakatsuo Unpainted Kit N(1:150) 3812

Town of Wonders-6: Sankei Kit N(1:150) MK07-29

Japanese-style room with shoin: Matsumoto Craft Works Yoshihiko Matsumoto Modeling work 1:12 scale

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

Shoji NO2 without Shoji paper : Kobani Unpainted kit 1:12scale WZ-005

6 tatami mat Japanese-style room with alcove and floor armpit : Matsumoto Craft Works Yoshihiko Matsumoto Painted 1:12 scale

Shoji NO3 without Shoji paper : Kobani Unpainted kit 1:12scale WZ-006